Headline:
Flood Watch issued October 10 at 9:16PM PDT until October 11 at 8:00PM PDT by NWS San Diego CA
Event:
Flood Watch
Urgency:
Future
Effective:
October 10, 2026 - 9:16pm
Expires:
October 11, 2026 - 6:15am
Description:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southwest California, including the following
areas, Apple and Lucerne Valleys, Coachella Valley, Riverside
County Mountains, San Bernardino County Mountains, San Diego County
Coastal Areas, San Diego County Deserts, San Diego County
Mountains, San Diego County Valleys and San Gorgonio Pass near
Banning.
* WHEN...Through Sunday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Post-Tropical Cyclone Rachel will bring periods of moderate to
heavy rain to all of San Diego County, Riverside County mountains
and deserts, and San Bernardino County mountains and deserts
through late Sunday afternoon. Maximum hourly rainfall rates of
0.50 to 0.60 inches per hour are possible for San Diego Coast and
Valleys. Maximum hourly rainfall rates of 0.50 to 0.70 inches per
hour are possible across area deserts and 0.70 to 1 inch per hour
rates are possible across area mountains. Heaviest rainfall is
most likely through early Sunday afternoon. Rainfall will taper
off from south to north Sunday. Lingering lighter showers are
expected to continue into Monday.
- https://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Area Description:
San Diego County Coastal Areas; San Diego County Inland Valleys; San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys; Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Forcast Office:
NWS San Diego CA
Sender:
w-nws.webmaster@noaa.gov