FXUS66 KSTO 072002

AFDSTO



Area Forecast Discussion

National Weather Service Sacramento CA

102 PM PDT Mon Apr 7 2025



.Discussion...



.Synopsis...

Isolated shower/thunderstorm chances continue this afternoon and 

evening across Shasta County and the Sierra/southern Cascades 

north of Interstate 80. Dry and mild weather then expected to 

follow through the remainder of the week, returning to seasonable 

temperatures by the weekend. 



.Key Messages...



* Today:



	-Probability of isolated thunderstorms: 10-20% in Shasta County

  through early evening



	-Forecast rainfall: Additional accumulations of 0.25-0.5" in

  isolated thunderstorms across Shasta Co., with up to 0.1"

  possible in light showers elsewhere.



	-Breezy southerly winds gusting 15-25 mph at times in the Valley

  and foothills, and 25 to 35 mph over the Sierra Crest



* Tuesday - Friday:



	-Dry and warm weather expected through the remainder of the week

  with areas of Minor HeatRisk in the Valley



	-Probability of high temperatures > 80F (Wednesday-Friday): 50-90%

  across the Delta, Valley, and foothills, highest 

  probabilities on Thursday.



* Saturday - Sunday:



	-Trend toward a somewhat unsettled pattern over the weekend



	-Cool down to more seasonable temperatures expected, with breezy

  to potentially gusty northerly winds at times.



	-Probability of Valley Wind Gusts > 40 mph: 20-50%, highest

  across northern and central portions of the Sacramento Valley. 



	-Slight chance (10-15%) for light precipitation over Shasta

  County and the northern mountains.

 

.Changes from previous forecast...



* Precipitation chances continue to trend down for the weekend

 period, while gusty wind potential is trending up at this time.

 

&&



.AVIATION...



Predominantly VFR conditions expected at TAF sites next 24 hours,

although some MVFR/IFR in isolated SHRA/TSRA through 03z at RDD 

and along the Sierra. Snow levels 8000-9000 feet. Breezy southerly

surface winds gusting up to 20 kts at times today gradually taper

off after 03z. 





&&



.STO WATCHES/WARNINGS/ADVISORIES...

None.

&&



$$