Severe

At 544 PM EDT, severe thunderstorms were located along a line extending from West Elmira to near Springfield to near Ogdensburg, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chemung, Elmira, Southport, Sayre, Waverly, Elmira Heights, Athens, Ridgebury, Canton, and Troy. For your protection move to an interior room on the lowest floor of a building.

At 259 PM MDT, a severe thunderstorm was located 7 miles west of Great Falls, moving northeast at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Blowing dust will reduce visibility to less than one mile. Locations impacted include... Great Falls, Cascade, Black Eagle, Carter, Floweree, Portage, Malmstrom Afb, Eden, Stockett, Tracy, Vaughn, First Peoples Buffalo

SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Central Salt Lake County in northern Utah... Northwestern Utah County in northern Utah... * Until 330 PM MDT. * At 301 PM MDT, severe thunderstorms were located along a line extending from Bingham Canyon Mine to near Pleasant Grove, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. * WHEN...Until midnight MDT Thursday Night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Showers and/or thunderstorms in the area will

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Daniels, Dawson, Eastern Roosevelt, McCone, Prairie, Richland, Sheridan, Western Roosevelt, and Wibaux Counties. * WHEN...From 6 AM Thursday to midnight MDT Thursday Night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Showers and/or thunderstorms in the area will

SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for... Southwestern Oneida County in southeastern Idaho... Southeastern Cassia County in southeastern Idaho... * Until 345 PM MDT. * At 302 PM MDT, the leading edge of severe thunderstorms was located from Standrod to near Curlew Junction, Utah, moving northeast at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated and mesonet observations. Multiple reports over 60 mph have been reported with these and

* WHAT...Southwest winds gusting frequently between 50 and 60 mph. * WHERE...Paradise Valley. * WHEN...Until 10 PM MDT this evening. * IMPACTS...Travel will be difficult on US-89 through the Paradise Valley, especially for high profile vehicles. Local power outages are possible. Warm and dry conditions with strong winds could cause rapid fire spread. * ADDITIONAL DETAILS...Winds will be erratic at times, due to isolated thunderstorm activity. People are urged to secure loose objects that could be blown around

* WHAT...West winds gusting 60 to 70 mph expected. Strongest winds tonight through Thursday morning. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills, and Northern Sweet Grass. * WHEN...From 6 PM this evening to 9 PM MDT Thursday. * IMPACTS...Strong winds may blow down some trees and power lines. Local power outages are possible. Strong crosswinds will make travel difficult along Highway 191 from Big Timber through Judith Gap. Warm and dry conditions with strong winds could cause rapid fire spread.

* WHAT...West winds gusting up to 75 mph expected. * WHERE...Crazy Mountains. * WHEN...From midnight tonight to 6 PM MDT Thursday. * IMPACTS...Recreation in the high country will be impacted by strong winds. Be prepared for strong winds if you plan to venture into the mountains.

* WHAT...West winds gusting up to 60 mph expected. Strongest winds tonight through Thursday morning. * WHERE...Golden Valley, Musselshell, Northern Stillwater, and Southwestern Yellowstone. * WHEN...From 6 PM this evening to 9 PM MDT Thursday. * IMPACTS...Strong winds may blow down some trees and power lines. Local power outages are possible. Travel will be difficult for high profile vehicles. Warm and dry conditions with strong winds could cause rapid fire spread.