Fire Weather Planning Forecast

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000
FNUS56 KSTO 310921
FWFSTO

Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
221 AM PDT Sat Jul 31 2021

...Afternoon and Evening Thunderstorm Chances over the Mountains
Through the Weekend...

.DISCUSSION...
Afternoon showers and thunderstorms are possible over the mountains
today and on Sunday, with the best chances near the Sierra crest. A
slight cooling trend is seen this weekend with temperatures
returning to near normal early next week. Locally breezy onshore
winds are forecast each afternoon and evening into next week, with
the strongest gusts in the vicinity of the Delta. Dry weather
returns Monday continuing into next week.

CAZ213-010015-
Eastern Portion of Shasta-Trinity NF-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
  partly cloudy. At higher elevations, a slight chance of showers
  and thunderstorms in the afternoon.
* Max Temperature........98-103 lower elevations...except 89-99
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south 6
    to 11 mph in the afternoon.
*   Ridges/Upr Slopes....Southwest winds up to 8 mph.
* LAL....................1 increasing to 2 in the afternoon.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
  mostly clear. At higher elevations, a slight chance of showers
  and thunderstorms in the evening.
* Min Temperature........66-72 lower elevations...except 60-70
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........48-63 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds 7 to 13 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....West winds 4 to 10 mph shifting to the north
    up to 7 mph after midnight.
* LAL....................2 decreasing to 1 after midnight.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny. A slight chance of showers
  and thunderstorms in the afternoon.
* Max Temperature........96-102 lower elevations...except 87-97
  higher elevations.
* Min Humidity...........13-27 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up
    to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
    south up to 8 mph in the afternoon.
* LAL....................1 increasing to 2 late in the morning,
  then decreasing to 1 late in the afternoon.
* CWR....................0 percent.


$$

CAZ214-010015-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy. A slight chance of showers
  and thunderstorms in the afternoon.
* Max Temperature........92-97 lower elevations...except 86-92
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........19-24 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 5 to
    11 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 6
    to 12 mph in the afternoon.
* LAL....................1 increasing to 2 in the afternoon.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly cloudy with a slight chance of
  showers and thunderstorms in the evening, then partly cloudy
  after midnight.
* Min Temperature........54-63.
*   24 HR Trend..........4 degrees cooler.
* Max Humidity...........65-77 percent lower elevations...except
  53-65 percent high elevations.
*   24 HR Trend..........5 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds 6 to 11 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....West winds 7 to 12 mph shifting to the south
    up to 7 mph after midnight.
* LAL....................2 decreasing to 1 after midnight.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny. A slight chance of showers
  and thunderstorms in the afternoon.
* Max Temperature........90-95 lower elevations...except 84-90
  higher elevations.
* Min Humidity...........19-32 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
    to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming west up
    to 8 mph in the afternoon.
* LAL....................1 increasing to 3 late in the morning,
  then decreasing to 2 late in the afternoon.
* CWR....................0 percent.


$$

CAZ215-010015-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Partly cloudy in the morning then becoming
  mostly sunny. Hazy and areas of smoke in the morning.
* Max Temperature........101-107.
*   24 HR Trend..........Little change.
* Min Humidity...........18-23 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds 5 to 11 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........68-73.
*   24 HR Trend..........Little change.
* Max Humidity...........48-57 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........South winds 11 to 17 mph decreasing to up
  to 8 mph after midnight.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-105.
* Min Humidity...........15-30 percent.
* 20-Foot Winds..........Southeast winds 4 to 10 mph. Local gusts
  up to 20 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ216-010015-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Partly cloudy in the morning then
  clearing.
* Max Temperature........98-103.
*   24 HR Trend..........4 degrees cooler.
* Min Humidity...........21-28 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........Southeast winds 7 to 13 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-69.
*   24 HR Trend..........Little change.
* Max Humidity...........57-72 percent.
*   24 HR Trend..........5 percent up.
* 20-Foot Winds..........Southeast winds 9 to 15 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* Min Humidity...........17-31 percent.
* 20-Foot Winds..........Southeast winds 5 to 11 mph. Local gusts
  up to 20 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ217-010015-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Partly cloudy in the morning then
  clearing.
* Max Temperature........95-100.
*   24 HR Trend..........8 degrees cooler.
* Min Humidity...........22-30 percent.
*   24 HR Trend..........11 percent up.
* 20-Foot Winds..........South winds 11 to 17 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-64.
*   24 HR Trend..........Little change.
* Max Humidity...........65-80 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........South winds 10 to 16 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99.
* Min Humidity...........18-33 percent.
* 20-Foot Winds..........South winds 7 to 13 mph.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ218-010015-
Carquinez Strait and Delta-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Partly cloudy in the morning then
  clearing.
* Max Temperature........85-94.
*   24 HR Trend..........11 degrees cooler.
* Min Humidity...........30-42 percent.
*   24 HR Trend..........16 percent up.
* 20-Foot Winds..........West winds 16 to 22 mph with local gusts
  up to 35 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........56-61.
*   24 HR Trend..........Little change.
* Max Humidity...........83-91 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Breezy. West winds 15 to 27 mph with local
  gusts up to 35 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........83-93.
* Min Humidity...........41-56 percent.
* 20-Foot Winds..........West winds 12 to 18 mph with local gusts
  up to 30 mph.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ219-010015-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
*   24 HR Trend..........4 degrees cooler.
* Min Humidity...........23-30 percent.
*   24 HR Trend..........7 percent up.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-67.
*   24 HR Trend..........Little change.
* Max Humidity...........57-72 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........Northwest winds 8 to 14 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........93-98.
* Min Humidity...........16-31 percent.
* 20-Foot Winds..........Northwest winds 5 to 11 mph. Local gusts
  up to 20 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ263-279-010015-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Partly cloudy in the morning then
  clearing. Hazy and areas of smoke.
* Max Temperature........99-104 lower elevations...except 85-95
  higher elevations.
*   24 HR Trend..........7 degrees cooler.
* Min Humidity...........17-22 percent.
*   24 HR Trend..........6 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
    8 to 14 mph in the afternoon.
*   Ridges/Upr Slopes....North winds up to 7 mph shifting to the
    southeast 6 to 12 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and areas of smoke in
  the evening.
* Min Temperature........73-78 lower elevations...except 66-73
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........33-41 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds 9 to 15 mph shifting to the
    northwest up to 7 mph after midnight.
*   Ridges/Upr Slopes....Northwest winds 6 to 12 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102 lower elevations...except 82-92
  higher elevations.
* Min Humidity...........15-28 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
    7 to 13 mph in the afternoon.
*   Ridges/Upr Slopes....East winds 5 to 11 mph.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ266-010015-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
  partly cloudy. Hazy and areas of smoke.
* Max Temperature........96-101 lower elevations...except 91-98
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds 5 to 11 mph.
*   Ridges/Upr Slopes....South winds 4 to 10 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy. Hazy and areas of smoke in
  the evening.
* Min Temperature........68-75.
*   24 HR Trend..........Little change.
* Max Humidity...........38-53 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds 8 to 14 mph shifting to the
    northeast up to 8 mph after midnight.
*   Ridges/Upr Slopes....East winds 6 to 12 mph.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........90-99.
* Min Humidity...........18-33 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds up to 8 mph.
*   Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ220-267-010015-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
  partly cloudy.
* Max Temperature........92-100.
*   24 HR Trend..........Little change.
* Min Humidity...........18-23 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 5 to 11 mph.
*   Ridges/Upr Slopes....Southwest winds 4 to 10 mph.
* LAL....................1.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........65-71.
*   24 HR Trend..........Little change.
* Max Humidity...........42-51 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 4 to 9 mph shifting to the
    east up to 8 mph after midnight.
*   Ridges/Upr Slopes....Southwest winds 4 to 9 mph shifting to the
    east up to 8 mph after midnight.
* LAL....................1.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-99.
* Min Humidity...........13-27 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds up to 8 mph.
*   Ridges/Upr Slopes....Southeast winds up to 7 mph shifting to the
    southwest 5 to 10 mph in the afternoon.
* LAL....................1.
* CWR....................0 percent.


$$

CAZ268-010015-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy. Hazy and areas of smoke
  through the day. A slight chance of showers and thunderstorms in
  the afternoon.
* Max Temperature........85-92 lower elevations...except 78-85
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........21-26 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 5 to 11 mph.
*   Ridges/Upr Slopes....Southwest winds 6 to 12 mph.
* LAL....................1 increasing to 2 in the afternoon.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
  partly cloudy. At higher elevations, a slight chance of showers
  and thunderstorms in the evening. Hazy and areas of smoke in the
  evening.
* Min Temperature........52-66.
*   24 HR Trend..........4 degrees cooler.
* Max Humidity...........47-62 percent...except 67-82 percent in
  the high mountain valleys.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds 8 to 14 mph shifting to the
    east up to 7 mph after midnight.
*   Ridges/Upr Slopes....Southwest winds 8 to 14 mph shifting to the
    northeast up to 7 mph after midnight.
* LAL....................2 decreasing to 1 after midnight.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny. A slight chance of showers
  and thunderstorms in the afternoon.
* Max Temperature........84-90 lower elevations...except 77-85
  higher elevations.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds up to 8 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....Southeast winds up to 8 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
* LAL....................1 increasing to 3 late in the morning,
  then decreasing to 1 late in the afternoon.
* CWR....................0 percent.


$$

CAZ221-269-010015-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
221 AM PDT Sat Jul 31 2021

.TODAY...
* Sky/Weather............Mostly cloudy. A chance of showers and
  thunderstorms in the afternoon.
* Max Temperature........89-94 lower elevations...except 75-85
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........18-23 percent lower elevations...except
  22-34 percent high elevations.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
    8 to 14 mph in the afternoon.
*   Ridges/Upr Slopes....Southwest winds 6 to 12 mph.
* LAL....................1 increasing to 3 in the afternoon.
* CWR....................0 percent.

.TONIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
  partly cloudy. At higher elevations, a slight chance of showers
  and thunderstorms.
* Min Temperature........64-72 lower elevations...except 52-62
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........37-50 percent lower elevations...except
  48-63 percent high elevations.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds 5 to 11 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....Northwest winds 7 to 13 mph shifting to the
    east up to 8 mph after midnight.
* LAL....................3 decreasing to 2 after midnight.
* CWR....................0 percent.

.SUNDAY...
* Sky/Weather............Partly cloudy early in the morning then
  clearing. A chance of showers and thunderstorms in the afternoon.
* Max Temperature........87-93 lower elevations...except 74-84
  higher elevations.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
    5 to 11 mph in the afternoon.
*   Ridges/Upr Slopes....Southeast winds up to 8 mph shifting to the
    southwest 5 to 11 mph in the afternoon.
* LAL....................1 increasing to 3 late in the morning,
  then decreasing to 2 late in the afternoon.
* CWR....................0 percent.


$$


.Extended...

...Shasta County Mountains and Coastal Range
.SUNDAY NIGHT...Clear. Lows 58 to 68. West winds up to 13 mph.
.MONDAY...Sunny. Highs 85 to 95. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 56 to 66. West winds up to
10 mph.
.TUESDAY...Sunny. Highs 85 to 95. Southeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 55 to 65. West winds 5 to
10 mph.
.WEDNESDAY...Sunny. Highs 83 to 93. South winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 54 to 64. Northwest winds 5 to
10 mph.

...Northern Sierra and Lassen Park
.SUNDAY NIGHT...Clear. Lows 57 to 67. East winds up to 10 mph.
.MONDAY...Sunny. Highs 85 to 93. Southwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 54 to 64. Northeast winds up
to 10 mph.
.TUESDAY...Sunny. Highs 85 to 94. South winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 54 to 64. Variable less than
5 mph.
.WEDNESDAY...Sunny. Highs 84 to 92. South winds 5 to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 53 to 63. East winds 5 to 10 mph.

...Sierra Nevada Foothills
.SUNDAY NIGHT...Clear. Lows 63 to 71. Southeast winds up to
10 mph.
.MONDAY...Sunny. Highs 91 to 96. Southwest winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 62 to 68. East winds up to 10 mph.
.TUESDAY...Sunny. Highs 92 to 97. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 61 to 67. Variable less than 5 mph.
.WEDNESDAY...Sunny. Highs 90 to 95. Southwest winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 66. East winds up to 10 mph.

...Central Valley and Delta
.SUNDAY NIGHT...Clear. Lows 56 to 64. Southwest winds 10 to
20 mph.
.MONDAY...Sunny. Highs 93 to 98. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Clear. Lows 55 to 62. Southwest winds 5 to
15 mph.
.TUESDAY...Sunny. Highs 94 to 99. Southwest winds 5 to 10 mph.
.TUESDAY NIGHT...Clear. Lows 55 to 62. Southwest winds 5 to
10 mph.
.WEDNESDAY...Sunny. Highs 92 to 97. Southwest winds 5 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 56 to 62. Southwest winds 5 to
15 mph.

$$

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