Extreme Heat Warning issued June 21 at 2:17PM CDT until June 24 at 9:00PM CDT by NWS St Louis MO
* WHAT...Dangerously hot conditions with heat index values up to 110. * WHERE...In Illinois, Jersey IL, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Winter Weather Advisory issued June 21 at 6:45PM MDT until June 22 at 12:00PM MDT by NWS Missoula MT
* WHAT...Snow expected Above 6,000 feet. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations up to 4 inches. Wind gusts around 30 mph in exposed areas. * WHERE...In IDAHO, Eastern Lemhi County, Southern Clearwater Mountains, and Western Lemhi County. In MONTANA, Bitterroot/Sapphire Mountains, Butte/Blackfoot Region, and Potomac/Seeley Lake Region. * WHEN...Until noon MDT /11 AM PDT/ Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MINOR impacts from snow, expect a few inconveniences to normal
Heat Advisory issued June 21 at 1:48PM CDT until June 24 at 7:00PM CDT by NWS Lincoln IL
* WHAT...Heat index values up to 106. * WHERE...All of central and southeast Illinois. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures will only fall into the mid 70s, resulting in limited relief from the heat in buildings without effective cooling systems.
Winter Weather Advisory issued June 21 at 1:45PM MDT until June 22 at 6:00PM MDT by NWS Pocatello ID
* WHAT...Snow expected to accumulate above 7500 feet elevation. Additional snow accumulations up to 8 inches. * WHERE...Big Lost Highlands/Copper Basin, Challis/Pahsimeroi Valleys, Frank Church Wilderness, Lost River Range, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...Until 6 PM MDT Sunday. * IMPACTS...Travel could be difficult, especially in the backcountry. Those recreating in the higher elevations should be prepared for winter weather conditions.
Heat Advisory issued June 21 at 9:03AM CDT until June 24 at 7:00PM CDT by NWS Paducah KY
* WHAT...Heat index values up to 108 expected. * WHERE...All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 7 PM CDT /8 PM EDT/ Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Lake Wind Advisory issued June 21 at 8:40PM MDT until June 22 at 5:00PM MDT by NWS Pocatello ID
* WHAT...Southwest winds 15 to 25 mph with gusts up to 30 mph expected American Falls Reservoir. * WHERE...Lower Snake River Plain. * WHEN...From 7 AM to 5 PM MDT Sunday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.
Flood Warning issued June 21 at 9:28PM CDT until June 23 at 5:00PM CDT by NWS Des Moines IA
...The Flood Warning continues for the following rivers in Iowa... Cedar River at Cedar Falls affecting Black Hawk County. Shell Rock River at Shell Rock affecting Butler, Bremer and Black Hawk Counties. * WHAT...Minor flooding is forecast. * WHERE...The Cedar River at Cedar Falls, or from the West Fork Cedar River to the Cedar Falls-Waterloo city limits. * WHEN...From Sunday morning to Monday afternoon. * IMPACTS...At 89.7 feet, Water affects the road at 1712 and 1118 Cottage Row Rd. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 88.1 feet. - Forecast...The river is expected to rise
Flood Warning issued June 21 at 9:28PM CDT until June 22 at 4:00PM CDT by NWS Des Moines IA
...The Flood Warning continues for the following rivers in Iowa... Cedar River at Cedar Falls affecting Black Hawk County. Shell Rock River at Shell Rock affecting Butler, Bremer and Black Hawk Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...The Shell Rock River at Shell Rock, or from Flood Creek near Clarksville to the Cedar River. * WHEN...Until tomorrow afternoon. * IMPACTS...At 12.5 feet, Seepage occurs in several basements close to the river. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 12.4 feet. - Forecast...The river is expected to fall below flood
Extreme Heat Watch issued June 21 at 10:27PM EDT until June 23 at 9:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick VA, Page, Shenandoah, and Warren Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...For the Heat Advisory, from noon to 8 PM EDT Sunday. For the Extreme Heat Watch, from Monday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued June 21 at 10:27PM EDT until June 22 at 8:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...In Maryland, Washington County. In Virginia, Clarke, Frederick VA, Page, Shenandoah, and Warren Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...For the Heat Advisory, from noon to 8 PM EDT Sunday. For the Extreme Heat Watch, from Monday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.