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United States / Pacific / California

Riverside County, California, Sunday, October 11, 2026

Official Warning‹ Sat, Oct 10Sunday, October 11, 2026
Version 10 of 10Version 1 · Oct 12, 12:09 AM PDTVersion 2 · Oct 12, 1:43 AM PDTVersion 3 · Oct 12, 2:54 AM PDTVersion 4 · Oct 12, 4:02 AM PDTVersion 5 · Oct 12, 6:27 AM PDTVersion 6 · Oct 12, 7:44 AM PDTVersion 7 · Oct 12, 7:14 PM PDTVersion 8 · Oct 13, 6:12 AM PDTVersion 9 · Oct 13, 2:24 PM PDTVersion 10 · Oct 13, 7:22 PM PDT
Mon, Oct 12 ›Right nowAlert me about Riverside County

Health: No headline from this topic’s sources is on record for this day, and readings are not kept day by day. 9 official warnings recorded: Flash Flood Warning. Every kind of source we watch here answered.

9Warnings recorded
98Headlines that day
6Events published
29Held, not published

Official Warnings Recorded, Quoted In Full

Flash Flood Warning
“Flash Flood Warning issued October 11 at 10:26AM MST until October 11 at 10:30AM MST by NWS Phoenix AZ”
The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.
National Weather Service · issued Oct 11, 10:26 AM PDT · expires Oct 11, 10:36 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 8:09AM MST until October 11 at 10:30AM MST by NWS Phoenix AZ”
At 809 AM MST /809 AM PDT/, Doppler radar and automated rain gauges indicated that heavy rain was falling across the warned area. Between 0.75 and 1.75 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Blythe, Nicholls Warm Springs, Palo Verde, and Ripley. This includes the following highways... CA Route 78 between mile markers 77 and 80. CA Interstate 10 between mile markers 136 and 145. CA Route 95 near mile marker 1...and between mile markers 10 and 18. This includes the following streams and drainages... Milpitas Wash and Colorado River.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
National Weather Service · issued Oct 11, 8:09 AM PDT · expires Oct 11, 10:30 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 5:59AM MST until October 11 at 8:30AM MST by NWS Phoenix AZ”
FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Northeastern Imperial County in southeastern California... Riverside County in southern California... * Until 830 AM MST /830 AM PDT/. * At 559 AM MST /559 AM PDT/, Doppler radar indicated heavy rain across the warned area. Between 0.5 and 1.25 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Blythe, Nicholls Warm Springs, Palo Verde, Blythe Airport, Ripley and East Blythe.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
National Weather Service · issued Oct 11, 5:59 AM PDT · expires Oct 11, 8:30 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 4:51AM PDT until October 11 at 5:00AM PDT by NWS Phoenix AZ”
The heavy rain has ended. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 500 PM PDT Sunday for a portion of southern California.
National Weather Service · issued Oct 11, 4:51 AM PDT · expires Oct 11, 5:01 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 4:09AM PDT until October 11 at 4:15AM PDT by NWS San Diego CA”
The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 800 PM PDT Sunday for a portion of Southwest California.
National Weather Service · issued Oct 11, 4:09 AM PDT · expires Oct 11, 4:19 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 2:18AM PDT until October 11 at 4:15AM PDT by NWS San Diego CA”
At 218 AM PDT, Doppler radar indicated heavy rain across the warned area. Between 0.75 and 1.5 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Indio, southeastern Palm Springs, Coachella, Palm Desert, Rancho Mirage, Thermal, Hwy 74 Between Anza And Palm Desert, La Quinta and Mecca.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
National Weather Service · issued Oct 11, 2:18 AM PDT · expires Oct 11, 4:15 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 1:17AM PDT until October 11 at 4:15AM PDT by NWS San Diego CA”
FFWSGX The National Weather Service in San Diego has issued a * Flash Flood Warning for... Riverside County in southern California... * Until 415 AM PDT. * At 117 AM PDT, Doppler radar indicated heavy rain across the warned area. The expected rainfall rate is 0.75 to 1 inch in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Indio, southeastern Palm Springs, Coachella, Palm Desert, Rancho Mirage, Thermal, Hwy 74 Between Anza And Palm Desert, La Quinta and Mecca.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
National Weather Service · issued Oct 11, 1:17 AM PDT · expires Oct 11, 4:15 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 11 at 1:00AM PDT until October 11 at 5:00AM PDT by NWS Phoenix AZ”
FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... North Central Imperial County in southeastern California... Riverside County in southern California... * Until 500 AM PDT. * At 100 AM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... North Shore, Bombay Beach and Imperial Hot Mineral Springs.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
National Weather Service · issued Oct 11, 1:00 AM PDT · expires Oct 11, 5:00 AM PDT · Issuer
Flash Flood Warning
“Flash Flood Warning issued October 10 at 11:32PM MST until October 11 at 2:30AM MST by NWS Phoenix AZ”
FFWPSR The National Weather Service in Phoenix has issued a * Flash Flood Warning for... West Central La Paz County in west central Arizona... Riverside County in southern California... * Until 230 AM MST /230 AM PDT/. * At 1132 PM MST /1132 PM PDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Blythe, Blythe Airport, Nicholls Warm Springs, Ripley, Ehrenberg, East Blythe and Poston.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
National Weather Service · issued Oct 10, 11:32 PM PDT · expires Oct 11, 2:30 AM PDT · Issuer

What Each Status Rests On

Open a topic for its records
WeatherOfficial Warning9 official warnings in effect: Flash Flood Warning.
← Overview

Weather

Official Warning

9 official warnings in effect: Flash Flood Warning.

Official Warnings

All 9 quoted in full, as issued.

Readings are kept only as each site’s latest, so this day’s readings are not on record.

HealthUnusual For HereNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
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Health

Unusual For Here

No headline from this topic’s sources is on record for this day, and readings are not kept day by day.

Readings are kept only as each site’s latest, so this day’s readings are not on record.

SafetyActiveNo headline from this topic’s sources is on record for this day.
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Safety

Active

No headline from this topic’s sources is on record for this day.

Roads And TransitActiveNo headline from this topic’s sources is on record for this day.
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Roads And Transit

Active

No headline from this topic’s sources is on record for this day.

PowerActiveNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
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Power

Active

No headline from this topic’s sources is on record for this day, and readings are not kept day by day.

Readings are kept only as each site’s latest, so this day’s readings are not on record.

GovernmentQuiet1 report on this day, none published as an event.
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Government

Quiet

1 report on this day, none published as an event.

Meetings That Day

No meeting was on an agenda we read for this day.

Local NewsQuiet97 reports on this day, none published as an event.
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Local News

Quiet

97 reports on this day, none published as an event.

More (20)

And 72 more reports on this day, not listed here.

AirQuietNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
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Air

Quiet

No headline from this topic’s sources is on record for this day, and readings are not kept day by day.

Readings are kept only as each site’s latest, so this day’s readings are not on record.

Events

  • Power Outage In Riverside County, California Confirmed · first reported as “Multiple power outages reported across the Coachella Valley due to storm conditions” by KESQ-TV · first seen Oct 11, 2:09 PM PDT
  • Report In Riverside County, California Reported · first reported as “Traffic Collision Investigation 10/9/26” by Desert Hot Springs city · first seen Oct 11, 8:55 AM PDT
  • Flooding In Riverside County, California Confirmed · first reported as “Rachel drenches valley; Several roads closed or impacted by flood waters” by KESQ-TV · first seen Oct 11, 5:16 AM PDT
  • Report In Riverside County, California Confirmed · first reported as “Wind Advisory issued October 9 at 12:35PM PDT until October 12 at 5:00AM PDT by NWS Las Vegas NV” by KESQ-TV · first seen Oct 9, 12:35 PM PDT
  • Report In Riverside County, California Reported · first reported as “Head Trip festival traffic: Indio Police warn of road closures, delays” by KESQ-TV · first seen Oct 9, 5:40 AM PDT
  • Report In Riverside County, California Confirmed · first reported as “Extreme Heat Warning issued October 6 at 9:47AM MST until October 8 at 8:00PM MST by NWS Phoenix AZ” by KESQ-TV · first seen Oct 6, 9:47 AM PDT
29 reports held, not published. We show what we held; each one links to why. 297641 296639 296042 296041 295802 295113 302608 294054 293427 293426 292810 292809 and 17 more