Alert archive / California / Riverside County / 2026
Weather alerts in Riverside County, California, August 2026
31 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 31
- Warnings
- 11
- Watches
- 2
- Advisories
- 11
- Busiest day
- August 11, 202611 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 4, 12:24 AM PDT | Heat Advisory | SGX | 6 days |
| Aug 6, 3:11 PM PDT | Special Weather Statement | PSR | 34 min |
| Aug 9, 1:21 PM PDT | Areal Flood Advisory | SGX | 110 min |
| Aug 10, 2:21 PM PDT | Areal Flood Advisory | SGX | 2 hr |
| Aug 10, 2:43 PM PDT | Severe Thunderstorm Warning | SGX | 47 min |
| Aug 10, 3:03 PM PDT | Areal Flood Advisory | SGX | 2 hr |
| Aug 10, 3:21 PM PDT | Flash Flood Warning | SGX | 117 min |
| Aug 10, 3:41 PM PDT | Special Weather Statement | SGX | 49 min |
| Aug 10, 10:26 PM PDT | Dust Storm Advisory | PSR | 64 min |
| Aug 11, 11:54 AM PDT | Special Weather Statement | SGX | 36 min |
| Aug 11, 12:44 PM PDT | Areal Flood Advisory | SGX | 2 hr |
| Aug 11, 1:12 PM PDT | Special Weather Statement | SGX | 33 min |
| Aug 11, 1:19 PM PDT | Areal Flood Advisory | SGX | 101 min |
| Aug 11, 1:21 PM PDT | Areal Flood Advisory | SGX | 99 min |
| Aug 11, 1:42 PM PDT | Special Weather Statement | SGX | 33 min |
| Aug 11, 1:46 PM PDT | Special Weather Statement | SGX | 29 min |
| Aug 11, 1:54 PM PDT | Flash Flood Warning | SGX | 2 hr |
| Aug 11, 2:23 PM PDT | Areal Flood Advisory | SGX | 97 min |
| Aug 11, 3:25 PM PDT | Severe Thunderstorm Warning | PSR | 50 min |
| Aug 11, 5:19 PM PDT | Special Weather Statement | PSR | 26 min |
| Aug 12, 5:08 PM PDT | Dust Storm Warning | PSR | 52 min |
| Aug 12, 5:53 PM PDT | Dust Storm Warning | PSR | 67 min |
| Aug 12, 6:08 PM PDT | Dust Storm Warning | SGX | 52 min |
| Aug 12, 6:25 PM PDT | Flash Flood Warning | PSR | 5 hr |
| Aug 12, 11:33 PM PDT | Extreme Heat Watch | PSR | 59 hr |
| Aug 15, 10:05 AM PDT | Extreme Heat Warning | PSR | 14 days |
| Aug 15, 4:16 PM PDT | Flash Flood Warning | PSR | 3 hr |
| Aug 18, 11:56 AM PDT | Heat Advisory | SGX | 56 hr |
| Aug 19, 12:58 AM PDT | Extreme Heat Warning | SGX | 11 days |
| Aug 21, 12:23 PM PDT | Heat Advisory | SGX | 8 days |
| Aug 22, 1:10 PM PDT | Extreme Heat Watch | SGX | 36 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 2 |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 4 |
| Areal Flood Advisory | 7 |
| Heat | |
| Extreme Heat Warning | 2 |
| Extreme Heat Watch | 2 |
| Heat Advisory | 3 |
| Wind and dust | |
| Dust Storm Warning | 3 |
| Dust Storm Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.