Severe

At 249 AM CDT, severe thunderstorms were located along a line extending from Osborn to Plattsburg to near Trimble to Tracy, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Leavenworth, Liberty, Excelsior Springs, Cameron, Smithville, Kearney, Platte City, Lawson, Plattsburg, Lathrop, Hamilton, Gower, Stewartsville, Trimble, Polo, Edgerton, Camden Point, Holt, Osborn, and Crystal Lakes.

* IMPACTS: Low humidities, hot temperatures, and gusty winds may create erratic fire behavior. * AFFECTED AREA: In South Central MT Fire Zones...123...124...125...126...127 128. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In South Central MT...Carbon...Park...Stillwater...Sweet Grass Yellowstone. In Southwest MT...Gallatin. * WIND: Southwesterly gusts 20-30 mph Saturday, shifting to the northwest on Sunday. * HUMIDITY: Single digits Saturday; teens on Sunday.

* WHAT...Dangerously hot conditions. Afternoon temperatures 98 to 115. Major to Extreme Heat Risk. * WHERE...Dripping Springs, Globe/Miami, Mazatzal Mountains, New River Mesa, Pinal/Superstition Mountains, Rio Verde/Salt River, San Carlos, Southeast Gila County, Superior, and Tonto Basin. * WHEN...Until 8 PM MST Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.

* WHAT...Dangerously hot conditions. Afternoon temperatures 112 to 117. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat

* WHAT...Dangerously hot conditions. Afternoon temperatures 109 to 119. Major to Extreme Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, and West Pinal County. * WHEN...Until 8 PM MST Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.

* WHAT...Dangerously hot conditions. Afternoon temperatures 112 to 120. Major to Extreme Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Imperial Valley, and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to

* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 120. Major to Extreme Heat Risk. * WHERE...Mostly rural portions of southwest Arizona and southeast California, including Joshua Tree National Park. * WHEN...Until 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures,

At 237 AM CDT, severe thunderstorms were located along a line extending from near Clarksdale to near Gower to near Camden Point to near Easton, moving east at 60 mph. HAZARD...70 mph wind gusts. St Joseph Airport recorded a 66 mph wind gust. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... St. Joseph, Atchison, Weston, Gower, Elwood, Agency, Dearborn, Camden

At 240 AM CDT, severe thunderstorms were located along a line extending from near Clarksdale to Gower to near Edgerton to near Weston, moving east at 60 mph. HAZARD...70 mph wind gusts. This storm produced a 66 mph wind gust at the St Joseph airport. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Leavenworth, Liberty, Excelsior Springs, Cameron, Smithville,

* WHAT...Dangerously hot conditions with high temperatures of 100 to 108 expected. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...From Saturday afternoon through Saturday evening. * 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.