Future

Responsive action SHOULD be taken in the near future

Arizona Severe Extreme Heat Watch | Effective 07/21/2026 01:24

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 110 to 115. Major Heat Risk. * WHERE...South central Arizona, including the Phoenix metro. * WHEN...From Thursday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free

Arizona Severe Extreme Heat Watch | Effective 07/21/2026 01:24

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 105 to 115. Major Heat Risk. * WHERE...Portions of South-central Arizona. * WHEN...From Thursday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more.

Arizona, California Severe Extreme Heat Watch | Effective 07/21/2026 01:24

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...Southwest Arizona and southeast California. * WHEN...From Wednesday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. An Extreme Heat Watch means that a period of very hot temperatures,

Arizona, California Severe Extreme Heat Watch | Effective 07/21/2026 01:24

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...In Arizona, Central La Paz, Gila River Valley, Kofa, and Southeast Yuma County. In California, Joshua Tree National Park. * WHEN...From Thursday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Kentucky Severe Flood Watch | Effective 07/21/2026 01:03

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of east central, north central, and south central Kentucky, including the following areas, in east central Kentucky, Anderson, Bourbon, Boyle, Clark KY, Fayette, Franklin, Garrard, Harrison KY, Jessamine, Madison, Mercer, Nicholas, Scott KY and Woodford. In north central Kentucky, Larue, Nelson, Shelby, Spencer and Washington KY. In south central Kentucky, Adair, Allen, Barren,

Kentucky Severe Flood Watch | Effective 07/21/2026 01:09

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of east central, northeast, south central, and southeast Kentucky, including the following counties, in east central Kentucky, Bath, Elliott, Estill, Fleming, Menifee, Montgomery, Powell and Rowan. In northeast Kentucky, Johnson and Martin. In south central Kentucky, Laurel, McCreary, Pulaski, Rockcastle, Wayne and Whitley. In southeast Kentucky, Bell, Breathitt, Clay, Floyd, Harlan, Jackson, Knott, Knox, Lee, Leslie,

Idaho, Wyoming, Montana Severe Flood Watch | Effective 07/21/2026 00:57

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming, including the following areas, in central Wyoming, Casper Mountain, Green Mountains and Rattlesnake Range, Lander Foothills, Natrona County Lower Elevations, Owl Creek and Bridger Mountains, Southwest Bighorn Basin, Upper Wind River Basin, Wind River Basin, Wind River Mountains East and Wind River Mountains West. In north central

Kentucky, Ohio, Virginia, West Virginia Severe Flood Watch | Effective 07/21/2026 00:59

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northeast Kentucky, including the following counties, Boyd, Carter, Greenup and Lawrence, southeast Ohio, including the following counties, Athens, Gallia, Jackson OH, Lawrence OH, Meigs, Morgan, Vinton and Washington, southwest Virginia, including the following counties, Buchanan and Dickenson, and West Virginia, including the following counties, Barbour, Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison,

Tennessee Severe Flood Watch | Effective 07/21/2026 00:44

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of Middle Tennessee, including the following counties, Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, De Kalb, Dickson, Fentress, Giles, Hickman, Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, Overton, Perry, Pickett, Putnam, Rutherford, Smith, Sumner, Trousdale, Van Buren, Warren, Wayne, White, Williamson and Wilson. * WHEN...From this evening through Wednesday morning.

Arizona, California, Nevada Severe Extreme Heat Watch | Effective 07/21/2026 00:28

* WHAT...Dangerously hot conditions possible. Afternoon temperatures in the desert valleys will climb into the 108 to 114 degree range, and may exceed 115 along the Colorado River Valley, and 120 Death Valley. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada including the Greater Mojave Desert region. * WHEN...From Thursday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
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