Severe

Significant threat to life or property

Georgia Severe Severe Thunderstorm Warning | Effective 06/18/2026 13:47

SVRFFC The National Weather Service in Peachtree City has issued a * Severe Thunderstorm Warning for... DeKalb County in north central Georgia... Gwinnett County in north central Georgia... Northeastern Monroe County in central Georgia... Butts County in central Georgia... Northwestern Jones County in central Georgia... Newton County in north central Georgia... Rockdale County in north central Georgia... Southwestern Morgan County in north central Georgia...

Oregon, Washington Severe Fire Weather Watch | Effective 06/18/2026 13:48

...Critical Fire Weather expected Saturday... .Low Relative Humidity and Windy conditions will create critical fire weather conditions across the Yakima Valley the Columbia Basin of Oregon, Eastern Columbia River Gorge, and the Mountains of Central Oregon. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Saturday morning through Saturday evening. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691

Mississippi Severe Flash Flood Warning | Effective 06/18/2026 13:48

At 348 PM CDT, local law enforcement reported thunderstorms producing heavy rain in reported multiple streets flooded in Gulfport and Biloxi. Between 4 and 8 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

California, Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT FRIDAY FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE SIERRA FRONT... The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from noon to 9 PM PDT Friday. * CHANGES...A new Red Flag Warning has been issued in the Sierra Front for Friday afternoon when additional thunderstorms renew a risk of dry lightning and strong outflow winds. * Affected Area...Fire Weather Zone 420 Northern Sierra Front

California, Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from 8 AM to 11 PM PDT Friday. The Fire Weather Watch is no longer in effect. * CHANGES...The Fire Weather Watch has been upgraded to a Red Flag Warning. * Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 458 Northern Washoe County. * Thunderstorms...Isolated dry lightning will be possible Friday

California, Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT FRIDAY FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE SIERRA FRONT... The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from noon to 9 PM PDT Friday. * CHANGES...A new Red Flag Warning has been issued in the Sierra Front for Friday afternoon when additional thunderstorms renew a risk of dry lightning and strong outflow winds. * Affected Area...Fire Weather Zone 420 Northern Sierra Front

California, Nevada Severe Fire Weather Watch | Effective 06/18/2026 13:49

The Fire Weather Watch has been replaced. Please see the latest information from NWS Reno NV on this developing situation. Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions. Check weather.gov/reno for updates and livingwithfire.info for preparedness tips.

Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from noon to 11 PM PDT Friday. The Fire Weather Watch is no longer in effect. * CHANGES...The Fire Weather Watch has been upgraded to a Red Flag Warning. The start time of the Red Flag Warning has been delayed to Friday afternoon as thunderstorm potential Friday morning has decreased. * Affected Area...Fire Weather Zone 423 West Humboldt Basin in Pershing County.

Nevada Severe Red Flag Warning | Effective 06/18/2026 13:49

The National Weather Service in Reno has issued a Red Flag Warning for thunderstorms and strong outflow winds, which is in effect from noon to 11 PM PDT Friday. * Affected Area...Fire Weather Zone 429 Lahontan Basin including Churchill and Eastern Mineral Counties. * Thunderstorms...A mix of wet and dry thunderstorms Friday afternoon. Coverage will be focused in Churchill County with isolated thunderstorms possible in eastern Mineral County. * Outflow Winds...Gusty and erratic thunderstorm outflow winds,
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