Dobbins, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

942
FXUS66 KSTO 282022
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
122 PM PDT Mon Jul 28 2025

.DISCUSSION...

.SYNOPSIS...
Chances for afternoon and evening mountain thunderstorms this
week, with the highest chances today along the Coastal Range and
Wednesday along the Sierra/southern Cascades. Otherwise, near
normal temperatures expected this week as periodically breezy
onshore winds persist.

&&

.KEY MESSAGES...

* Today:
 - Slight chances (10-20%) for isolated mountain showers and
   thunderstorms this afternoon and evening. Highest potential
   over the Coastal Range and Shasta County mountains.
 - Main storm hazards include lightning, brief heavy rain, gusty
   winds, small hail, and possible fire starts.
 - Elevated fire weather conditions are expected in the mountains
   into the due to the lightning threat and any strikes outside
   the main precipitation core will pose the threat for fire
   starts.
 - Afternoon highs in the 80s and 90s throughout the Valley as
   high temperatures return to near normal.

* Tuesday-Thursday:
 - Mountain thunderstorm chances decrease to less than 10% on
   Tuesday, with chances then increasing to 15-30% overnight
   Tuesday through Wednesday evening. Highest chances expected
   along the Sierra/southern Cascades, with a potential lull in
   activity mid to late Wednesday morning.
 - Lingering mountain thunderstorm chances (10-20%) expected on
   Thursday during the afternoon and evening hours, with a trend
   toward a drier pattern late week into the weekend.
 - Elevated fire weather conditions are expected in the mountains due
   to the lightning threat and any strikes outside the main
   precipitation core will pose the threat for fire starts.
 - Slight warming trend through early this week, but highs will
   remain near to slightly below normal. Expect Valley highs in
   the 90s Monday and Tuesday.
 - Periodically breezy onshore flow expected during the afternoons
   and evenings.

* Friday-Next Weekend:
 - Isolated mountain thunderstorm chances less than 10% at this
   time.
 - Periodically breezy onshore flow persists, with a slight uptick
   in wind speed possible by Sunday. Probability of wind gusts >
   30 mph on Sunday: 15-30%
 - Near to slightly below normal temperatures expected to
   continue.

.Changes from previous forecast...
 - Increasing chances (15-30%) for isolated to scattered mountain
   thunderstorms overnight Tuesday into Wednesday morning and
   again Wednesday afternoon/evening.

&&

.AVIATION...
Generally VFR conditions expected to prevail next 24 hours across
interior NorCal. MVFR/IFR possible in isolated mountain
thunderstorms through 03z Tuesday, primarily north of Interstate
80. Otherwise, breezy onshore surface winds up to 12 kts expected
through Valley and Delta, with lighter terrain driven winds at
higher elevations. Gusts 20-25 kts in Delta and vicinity through
06z Tuesday, decreasing overnight.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$