Weather Alert: Extreme Heat Warning issued September 9 at 2:25PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Alert
- Severity: Severe
- Urgency: Expected
- Area: San Bernardino and Riverside County Valleys-The Inland Empire
- Effective: 2026-09-09T14:25:00-07:00
- Ends: 2026-09-10T20:00:00-07:00
* WHAT…For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the upper 90s to 106 on Thursday with morning low temperatures in the 70s and lower 80s expected. * WHERE…San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN…Until 8 PM PDT Thursday. * IMPACTS…Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS…Major HeatRisk through today. Moderate to major HeatRisk on Thursday. Warm overnight temperatures will limit relief from the heat.
Official alert data (National Weather Service)
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Inspection record1 source
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- api.weather.govarchived copyhttps://chinovalley.today/source/b3ea5e7d2209fe035c503241f0fb56947898ff6e4065c1546bf0a935e3016449/#urn:oid:2.49.0.1.840.0.524cbdc2566dec73f9912b60acb3eca6234cfcb7.002.2
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