Expected

Responsive action SHOULD be taken soon (within next hour)

California Severe Extreme Heat Warning | Effective 07/22/2026 21:01

* WHAT...Dangerously hot conditions with high temperatures as hot as 100 to 110 for Thursday through Saturday and low temperatures as warm as the mid 70s to upper 80s for Friday and Saturday expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Thursday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 07/22/2026 21:01

* WHAT...Dangerously hot conditions with high temperatures as hot as the upper 90s to 110 and low temperatures as warm as the low to mid 70s for Thursday through Saturday expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Washington Severe Red Flag Warning | Effective 07/22/2026 20:54

* AFFECTED AREA...Fire Weather Zone 649 North and Central Coastal Strip, Fire Weather Zone 650 North Coastal Lowlands, Fire Weather Zone 651 Central Coastal Lowlands, Fire Weather Zone 652 West Portion of the Olympic Mountains, Fire Weather Zone 655 Black Hills and Southwest Interior Lowlands, Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet and Fire Weather Zone 661 East Portion of the Olympic Mountains. * WINDS...West 5 to 10 mph with gusts up to 25 mph.

Louisiana, Mississippi Severe Coastal Flood Warning | Effective 07/22/2026 20:29

* WHAT...Significant coastal flooding. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany, Eastern Orleans and Lower Plaquemines Parishes. In Mississippi, Southern Hancock, Southern Harrison and Southern Jackson Counties. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Take the necessary actions to protect flood-prone property. If

California Severe Extreme Heat Warning | Effective 07/22/2026 18:31

* WHAT...Dangerously hot conditions with high temperatures between 108 to 112 degrees. * WHERE...Indian Wells Valley and Mojave Desert. * WHEN...From 8 AM Thursday to 9 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Arizona Severe Flood Warning | Effective 07/22/2026 17:43

* WHAT...Flooding caused by excessive rainfall late last night continues. * WHERE...Coconino County in north central Arizona... * WHEN...Until 800 PM MST /900 PM MDT/. * IMPACTS...Flooding of creeks and normally dry washes is imminent or occurring. Further rises in the water levels of already flooded creeks and normally dry washes. * ADDITIONAL DETAILS... - At 537 PM MST /637 PM MDT/, Flooding is already occurring. - This includes the following creeks, washes and rivers...

Colorado Severe Flood Warning | Effective 07/22/2026 16:02

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of west central Colorado, including the following county, Mesa. * WHEN...Until 800 PM MDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 502 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin

Ohio, West Virginia Severe Flood Warning | Effective 07/22/2026 15:31

* WHAT...Small stream flooding caused by excessive rainfall continues. * WHERE...Southern Monroe County in east central Ohio... Southern Noble County in east central Ohio... Western Wetzel County in northern West Virginia... * WHEN...Until 100 AM EDT Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 631 PM EDT, gauge reports indicated heavy rain due to

Ohio, West Virginia Severe Flood Warning | Effective 07/22/2026 15:16

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northeastern Washington County in southeastern Ohio... Northwestern Doddridge County in northern West Virginia... Tyler County in northern West Virginia... Northeastern Pleasants County in northwestern West Virginia... Northeastern Ritchie County in northwestern West Virginia... * WHEN...Until 800 AM EDT Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. * ADDITIONAL DETAILS...
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