451
FNUS86 KSTO 212144
FWLSTO

ECCDA DISCUSSIONS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
244 PM PDT TUE JUL 21 2026

ECC005-221545-
SHASTA-TRINITY NATIONAL FOREST-
DISCUSSION FOR REDDING ECC DISPATCH
244 PM PDT TUE JUL 21 2026

...MOUNTAIN SHOWERS AND ISOLATED THUNDERSTORMS POSSIBLE TODAY
THROUGH WEDNESDAY, WITH HIGHEST POTENTIAL IN THE SIERRA SOUTH OF
I-80...


HIGHER THAN NORMAL TEMPERATURES TODAY, FOLLOWED BY NEAR NORMAL
CONDITIONS THE REMAINDER OF THIS WEEK. MONSOONAL AND REMNANT
TROPICAL MOISTURE CONTINUE TO PUSH INTO THE REGION, BRINGING
CHANCES FOR SHOWERS AND MOUNTAIN THUNDERSTORMS THROUGH WEDNESDAY.
HIGHEST CHANCES FOR THUNDERSTORMS ARE THIS AFTERNOON ALONG THE
SOUTHERN CASCADES AND SIERRA CREST, AROUND 20 TO 40%, WITH BEST
POTENTIAL SOUTH OF I-80. THUNDERSTORM CHANCES IN THAT AREA
DECREASE TO 10 TO 20% IN THE AFTERNOON ON WEDNESDAY, HIGHEST
SOUTH OF US 50. WEDNESDAY WILL ALSO SEE BREEZY TO GUSTY WINDS IN
THE NORTHERN SACRAMENTO VALLEY AS WELL AS ALONG THE FAR WESTERN
EDGE OF THE SACRAMENTO VALLEY, WITH STRONGEST GUSTS IN TEHAMA
COUNTY UP TO 30 MPH, THOUGH DAYTIME HUMIDITIES WILL BE RELATIVELY
HIGH.

$$

ECC007-221545-
MENDOCINO NATIONAL FOREST, SOUTHERN SACRAMENTO VALLEY, AND DELTA-
DISCUSSION FOR WILLOWS ECC DISPATCH
244 PM PDT TUE JUL 21 2026

...MOUNTAIN SHOWERS AND ISOLATED THUNDERSTORMS POSSIBLE TODAY
THROUGH WEDNESDAY, WITH HIGHEST POTENTIAL IN THE SIERRA SOUTH OF
I-80...

HIGHER THAN NORMAL TEMPERATURES TODAY, FOLLOWED BY NEAR NORMAL
CONDITIONS THE REMAINDER OF THIS WEEK. MONSOONAL AND REMNANT
TROPICAL MOISTURE CONTINUE TO PUSH INTO THE REGION, BRINGING
CHANCES FOR SHOWERS THROUGH THIS EVENING ALTHOUGH BETTER CHANCES
WILL BE WESTWARD. WEDNESDAY WILL ALSO SEE BREEZY TO GUSTY WINDS
IN THE NORTHERN SACRAMENTO VALLEY AS WELL AS ALONG THE FAR WESTERN
EDGE OF THE SACRAMENTO VALLEY, WITH STRONGEST GUSTS IN TEHAMA
COUNTY AND IN THE DELTA REGION (UP TO 30 MPH), THOUGH DAYTIME
HUMIDITIES WILL BE RELATIVELY HIGH.

$$

ECC008-221545-
RED BLUFF AND OROVILLE-
DISCUSSION FOR RED BLUFF AND OROVILLE ECC DISPATCH
244 PM PDT TUE JUL 21 2026

...MOUNTAIN SHOWERS AND ISOLATED THUNDERSTORMS POSSIBLE TODAY
THROUGH WEDNESDAY, WITH HIGHEST POTENTIAL IN THE SIERRA SOUTH OF
I-80...

HIGHER THAN NORMAL TEMPERATURES TODAY, FOLLOWED BY NEAR NORMAL
CONDITIONS THE REMAINDER OF THIS WEEK. MONSOONAL AND REMNANT
TROPICAL MOISTURE CONTINUE TO PUSH INTO THE REGION, BRINGING
CHANCES FOR SHOWERS AND MOUNTAIN THUNDERSTORMS THROUGH WEDNESDAY.
HIGHEST CHANCES FOR THUNDERSTORMS ARE THIS AFTERNOON ALONG THE
SOUTHERN CASCADES AND SIERRA CREST, AROUND 20 TO 40%, WITH BEST
POTENTIAL SOUTH OF I-80. THUNDERSTORM CHANCES IN THAT AREA
DECREASE TO 10 TO 20% IN THE AFTERNOON ON WEDNESDAY, HIGHEST
SOUTH OF US 50. WEDNESDAY WILL ALSO SEE BREEZY TO GUSTY WINDS IN
THE NORTHERN SACRAMENTO VALLEY AS WELL AS ALONG THE FAR WESTERN
EDGE OF THE SACRAMENTO VALLEY, WITH STRONGEST GUSTS IN TEHAMA
COUNTY (UP TO 30 MPH), THOUGH DAYTIME HUMIDITIES WILL BE
RELATIVELY HIGH.

$$

ECC011-221545-
TAHOE NATIONAL FOREST-
DISCUSSION FOR GRASS VALLEY ECC DISPATCH
244 PM PDT TUE JUL 21 2026

...MOUNTAIN SHOWERS AND ISOLATED THUNDERSTORMS POSSIBLE TODAY
THROUGH WEDNESDAY, WITH HIGHEST POTENTIAL IN THE SIERRA SOUTH OF
I-80...

HIGHER THAN NORMAL TEMPERATURES TODAY, FOLLOWED BY NEAR NORMAL
CONDITIONS THE REMAINDER OF THIS WEEK. MONSOONAL AND REMNANT
TROPICAL MOISTURE CONTINUE TO PUSH INTO THE REGION, BRINGING
CHANCES FOR SHOWERS AND MOUNTAIN THUNDERSTORMS THROUGH WEDNESDAY.
HIGHEST CHANCES FOR THUNDERSTORMS ARE THIS AFTERNOON ALONG THE
SOUTHERN CASCADES AND SIERRA CREST, AROUND 20 TO 40%, WITH BEST
POTENTIAL SOUTH OF I-80. THUNDERSTORM CHANCES IN THAT AREA
DECREASE TO 10 TO 20% IN THE AFTERNOON ON WEDNESDAY, HIGHEST
SOUTH OF US 50. DIURNAL WINDS EXPECTED WITH BREEZY WEST WINDS IN
THE AFTERNOONS GUSTING UP TO 20-30 MPH.

$$

ECC015-221545-
STANISLAUS NATIONAL FOREST-
DISCUSSION FOR SAN ANDREAS ECC DISPATCH
244 PM PDT TUE JUL 21 2026

...MOUNTAIN SHOWERS AND ISOLATED THUNDERSTORMS POSSIBLE TODAY
THROUGH WEDNESDAY, WITH HIGHEST POTENTIAL IN THE SIERRA SOUTH OF
I-80...

HIGHER THAN NORMAL TEMPERATURES TODAY, FOLLOWED BY NEAR NORMAL
CONDITIONS THE REMAINDER OF THIS WEEK. MONSOONAL AND REMNANT
TROPICAL MOISTURE CONTINUE TO PUSH INTO THE REGION, BRINGING
CHANCES FOR SHOWERS AND MOUNTAIN THUNDERSTORMS THROUGH WEDNESDAY.
HIGHEST CHANCES FOR THUNDERSTORMS ARE THIS AFTERNOON ALONG THE
SOUTHERN CASCADES AND SIERRA CREST, AROUND 20 TO 40%, WITH BEST
POTENTIAL SOUTH OF I-80. THUNDERSTORM CHANCES IN THAT AREA
DECREASE TO 10 TO 20% IN THE AFTERNOON ON WEDNESDAY, HIGHEST
SOUTH OF US 50. DIURNAL WINDS EXPECTED WITH BREEZY WEST WINDS IN
THE AFTERNOONS GUSTING UP TO 20-30 MPH.

$$