Moderate

* WHAT...Heat index values up to 100. * WHERE...Red River Valley including portions of northwest and west central Minnesota and east North Dakota. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

Widespread snow will impact the Glacier Park region above 5,000 feet tonight through Wednesday as a cold system moves through the area. Confidence is high for accumulating snow, with most areas seeing at least 2 to 4 inches of snow above 5,000 feet. Isolated snow amounts up to 12 inches will impact higher mountain peaks above 6,000 feet. Those heading into the backcountry and higher elevations should prepare for winter-like conditions. An elevated risk will exist for hypothermia.

* WHAT...Life threatening waves of 3 to 5 feet and dangerous currents are expected. * WHERE...Sheboygan and Ozaukee Counties. * WHEN...From Wednesday afternoon through late Wednesday night. * IMPACTS...Dangerous swimming conditions are expected due to high waves and onshore winds. Stay out of the water and away from dangerous areas like piers and breakwalls. Strong structural and longshore currents are expected. Rip currents are possible.

* WHAT...Heat index values up to 105 expected. * WHERE...The central and eastern combined Texas and Oklahoma Panhandles. * WHEN...From 1 PM to 9 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 95 expected. * WHERE...Crow Wing, Aitkin, Koochiching, Cass, and Itasca Counties. This includes the Tribal Lands of the Mille Lacs Band, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Nett Lake and, Deer Creek areas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 95 expected. * WHERE...In Minnesota, Pine and North St. Louis Counties. In Wisconsin, Burnett, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the Bois Forte Band, Nett Lake area, the St. Croix Band in Burnett County and the Mille Lacs Band, Hinckley and, Lena Lake areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...Until 8 PM CDT this evening.

At 1014 AM CDT, Doppler radar was tracking a strong thunderstorm near Warsaw, or 10 miles northeast of Canton, moving northeast at 20 mph. HAZARD...Wind gusts up to 50 mph, minor flooding and penny size hail. SOURCE...Radar indicated. IMPACT...Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Slowing or redirecting of traffic due to ponding or flowing water. Closure of waterfront access due to flooding. Locations impacted include...

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northeast Kansas and north central, northwest, and west central Missouri. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, and west central Missouri. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Heat index values of 100 to 105 expected. * WHERE...Portions of northwest and west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From 1 PM this afternoon to 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose