Shasta, California Weather Forecast Discussion

959
FXUS66 KSTO 012020
AFDSTO
Area Forecast Discussion
National Weather Service Sacramento CA
120 PM PDT Wed Oct 1 2025
For additional details on weather and expected impacts over the
next 7 days, please visit weather.gov/sto/briefing.
.SYNOPSIS...
Cooler, unsettled weather through Friday, with chances for
isolated thunderstorms Thursday into Friday. Drier and warmer
conditions heading into the weekend with chances for breezy
northerly winds.
&&
.KEY MESSAGES...
*  TODAY THROUGH FRIDAY:
- Low pressure continues its trek through the area today,
   bringing chances this afternoon and evening for areas of
   wetting rain. Highest totals will still be over the mountains.
- Scattered showers will linger in the northern Sacramento Valley
   and in the mountains through the evening and into Thursday
   morning, with a general drying trend elsewhere in the Valley
   starting this the afternoon.
- Chances for isolated thunderstorms return Thursday and Friday
   afternoons and evenings (generally 10-25%, with highest
   chances in the northern and central Sacramento Valley, and
   along the Sierra Crest south of I-80), with non-zero chances
   for overnight convection in the central Sacramento Valley
   Thursday into Friday.
* SATURDAY THROUGH TUESDAY:
- Warming trend begins on Saturday with temperatures returning to
   near normal through mid-next week.
- Breezy north to east winds expected periodically Friday
   through Sunday, strongest on Sunday. Overall, wind gusts have
   continued to trend down in the forecast over the weekend.
.AVIATION...
VFR to MVFR conditions in the Sac Valley due to frontal system
moving through this afternoon. Showers will continue periodically
in the northern Sacramento Valley this afternoon, with ceilings
returning to VFR heights around 22Z Wednesday. Otherwise, VFR
conditions expected to prevail across interior NorCal over the
next 24 hours. Onshore flow expected to continue, with gusts up to
25 kts in the Sacramento Valley through 01z Thursday. Elsewhere,
winds remain at or below 12 kts.
&&
.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$

NWS STO Office Area Forecast Discussion