Severe

Significant threat to life or property

Oregon Severe Red Flag Warning | Effective 06/20/2026 16:57

...RED FLAG WARNING FOR LIGHTNING... .Ongoing thunderstorms will continue through 9PM MDT/8PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM and 672 Southern Grasslands. * TIMING...Until 8 PM PDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions

Idaho Severe Red Flag Warning | Effective 06/20/2026 16:57

...RED FLAG WARNING FOR LIGHTNING... .Ongoing thunderstorms will continue through 9PM MDT/8PM PDT this evening. * AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee Mountains and 426 Southern Highlands. * TIMING...Until 9 PM MDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions

Kansas Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:58

At 655 PM CDT, severe thunderstorms were located along a line extending from near Rexford to 9 miles south of Gem to 9 miles southeast of Brewster, moving south at 20 mph. THESE ARE DESTRUCTIVE STORMS FOR THOMAS AND SHERIDAN COUNTIES. HAZARD...90 mph wind gusts and tennis ball size hail. SOURCE...NSSL report of 91 MPH winds at 6:35 PM near Rexford and Emergency Manager report of 80-90 MPH winds in Colby. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes

Kansas Severe Severe Thunderstorm Warning | Effective 06-20-2026 16:37

At 635 PM CDT, severe thunderstorms were located along a line extending from 3 miles north of Rexford to 3 miles southwest of Gem to 4 miles southeast of Brewster, moving southeast at 20 mph. THESE ARE DESTRUCTIVE STORMS FOR i-70 AND U.S. 24 IN THOMAS AND WESTERN SHERIDAN COUNTY. HAZARD...90 mph wind gusts and tennis ball size hail. SOURCE...Emergency management reported 80 MPH winds in Colby. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes

Pennsylvania Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:33

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Forest County in northwestern Pennsylvania... East Central Venango County in northwestern Pennsylvania... Northeastern Clarion County in west central Pennsylvania... * Until 815 PM EDT. * At 733 PM EDT, a severe thunderstorm was located near Tionesta, or 12 miles east of Oil City, moving east at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include...

Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:35

SVRRIW The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Southwestern Sublette County in west central Wyoming... West central Lincoln County in west central Wyoming... * Until 600 PM MDT. * At 534 PM MDT, a severe thunderstorm was located 12 miles south of Salt River Pass, which is 18 miles north of Cokeville, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

Iowa Severe Flood Warning | Effective 06/20/2026 16:36

...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until early Monday morning. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS... - At 6:00 PM CDT Saturday the stage was 15.0 feet and nearly steady. - Forecast...The river will hold around 15.0 feet through

Wyoming Severe Severe Thunderstorm Watch | Effective 06/20/2026 16:36

SEVERE THUNDERSTORM WATCH 356 REMAINS VALID UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN WYOMING THIS WATCH INCLUDES 4 COUNTIES IN CENTRAL WYOMING FREMONT NATRONA IN NORTH CENTRAL WYOMING JOHNSON IN SOUTH CENTRAL WYOMING SWEETWATER THIS INCLUDES THE CITIES OF BUFFALO, CASPER, DUBOIS, GREEN RIVER, KAYCEE, LANDER, RIVERTON, AND ROCK SPRINGS.

Kansas Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:36

At 535 PM MDT, strong thundersstorm outflow was loccated 5 miles northeast of Goodland, moving southwest at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe storm will be near... Goodland around 540 PM MDT. Other locations impacted by this severe thunderstorm include Edson. This includes Interstate 70 in Kansas between mile markers 9 and 35. A Tornado Watch remains in effect until 900 PM MDT for northwestern Kansas.

Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 16:36

At 536 PM MDT, severe thunderstorms were located along a line from near Echeta to near Clareton, or along a line from 25 miles northwest of Gillette to 28 miles southwest of Newcastle, moving northeast at 40 mph. HAZARD...70 mph wind gusts. SOURCE...Public reported. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Gillette, Upton, Moorcroft, Coal Creek Mine, Cordero Rojo Mine,
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