946
FXUS66 KSTO 072136
AFDSTO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
236 PM PDT WED MAY 7 2025
DISCUSSION
SYNOPSIS
DRY AND INCREASINGLY WARM WEATHER IS EXPECTED FOR THE REST OF
THIS WEEK, WITH WELL ABOVE NORMAL HIGH TEMPERATURES AT THE PEAK ON
FRIDAY AND SATURDAY. THIS WILL RESULT IN SOME AREAS OF MODERATE
HEATRISK ACROSS PORTIONS OF THE CENTRAL VALLEY. A PATTERN CHANGE
TO COOLER AND UNSETTLED WEATHER IS EXPECTED BY EARLY NEXT WEEK.
THIS WILL BRING SHOWERS AND ISOLATED THUNDERSTORMS, MAINLY FOR THE
MOUNTAINS, FOOTHILLS AND NORTHERN SACRAMENTO VALLEY, AS WELL AS
GUSTY SOUTHERLY WINDS.
KEY MESSAGES
* TODAY:
BREEZY ONSHORE WINDS CONTINUE INTO TONIGHT IN THE DELTA AND
SACRAMENTO METRO AREA BRINGING SOME COOLER.
* THURSDAY - LATE WEEK:
-PERIODIC LATE DAY BREEZY ONSHORE WINDS.
-DRY AND WARM WEATHER WITH ABOVE NORMAL TEMPERATURES (10-15
DEGREES) UNDER UPPER LEVEL RIDGING, PEAKING ON FRIDAY AND SATURDAY.
-AREAS OF MODERATE HEATRISK ACROSS THE CENTRAL VALLEY FRIDAY-
SATURDAY. PROBABILITY OF HIGH TEMPERATURES 90 DEGREES F OR
HIGHER: 60-90% ACROSS THE CENTRAL VALLEY FRIDAY-SATURDAY.
-GUSTY SOUTHERLY WINDS SUNDAY. PROBABILITY OF GUSTS 40 MPH OR
HIGHER: 45-85% NORTHERN AND WESTERN SACRAMENTO VALLEY, AND
NORTHEAST FOOTHILLS.
* MONDAY - TUESDAY
-GUSTY SOUTHERLY WINDS ON MONDAY. PROBABILITY OF GUSTS 40 MPH OR
HIGHER: 35-65% NORTHERN AND WESTERN SACRAMENTO VALLEY, AND
NORTHEAST FOOTHILLS.
-POTENTIAL (10-20%) FOR ISOLATED THUNDERSTORMS MONDAY NORTHERN
SACRAMENTO VALLEY AND SURROUNDING MOUNTAINS/FOOTHILLS, 10-15%
FOR MOUNTAINS ON TUESDAY.
-RAIN SHOWERS FOR THE SACRAMENTO VALLEY, FOOTHILLS, AND MOUNTAINS.
PROBABILITY OF 0.10" OR GREATER: 40-70% OVER THE MOUNTAINS AND
NORTHERN SACRAMENTO VALLEY. LESS THAN THAN 10% IN THE VALLEY
SOUTH OF I-80.
CHANGES FROM PREVIOUS FORECAST
-GUSTY SOUTHERLY WINDS ON SUNDAY AND MONDAY
-POTENTIAL FOR LIGHT SNOW ACCUMULATIONS FOR HIGH ELEVATIONS EARLY
NEXT WEEK. LITTLE OR NO TRAVEL IMPACTS ARE CURRENTLY EXPECTED.
AVIATION
VFR CONDITIONS ACROSS INTERIOR NORCAL NEXT 24 HOURS. PERIODS OF
BREEZY SOUTHERLY SURFACE WINDS, WITH GUSTS UP TO AROUND 20 KNOTS
IN THE SACRAMENTO VALLEY THROUGH AROUND 11Z TOMORROW. BREEZY
ONSHORE FLOW IN THE DELTA, WITH SURFACE GUSTS UP TO AROUND 25-30
KNOTS.
STO WATCHES/WARNINGS/ADVISORIES
NONE.
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