Expected

* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Northwest Yell County, Southern and Eastern Logan County, and Western and Northern Logan County. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity 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. Car

* AFFECTED AREA...Interior Humboldt County, Trinity County, and southwestern Siskiyou County. * THUNDERSTORMS...Isolated dry thunderstorms possible through this afternoon. Confidence is low. * OUTFLOW WINDS...Gusty and erratic outflow winds of up to 30 mph is possible. * IMPACTS...any fires that develop will likely spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

* WHAT...For the Heat Advisory, heat index values of 100 to 106. For the Extreme Heat Warning, dangerously hot conditions with heat index values of 110 to 116. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, until 11 AM CDT Tuesday. For the Extreme Heat Warning, from 11 AM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...Dangerously hot conditions with heat index values of 110 to 116 expected. * WHERE...In Illinois, White County. In Indiana, Posey, Spencer, Vanderburgh, and Warrick Counties. In Kentucky, Daviess, Henderson, and McLean Counties. * WHEN...From 11 AM to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with heat index values up to 107 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CORSON AND DEWEY... ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CAMPBELL, WALWORTH, AND POTTER... * AFFECTED AREA...In South Dakota, Corson and Dewey. * TIMING...From 2 PM this afternoon to 8 PM MDT this evening. * WINDS...Northwest winds 15 to 25 mph with gusts up to 35 mph.

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CORSON AND DEWEY... ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR CAMPBELL, WALWORTH, AND POTTER... * AFFECTED AREA...In South Dakota, Campbell, Walworth, and Potter. * TIMING...From 3 PM this afternoon to 9 PM CDT this evening. * WINDS...Northwest winds 20 to 25 mph with gusts up to 40 mph.

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MORTON, GRANT, SIOUX, AND EMMONS COUNTIES... .Critical fire weather conditions are expected in parts of south central North Dakota this afternoon and early evening. Northwest winds will increase to around 25 mph this afternoon, with gusts as high as 40 mph. Relative humidity will fall as low as 20 percent this

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MORTON, GRANT, SIOUX, AND EMMONS COUNTIES... .Critical fire weather conditions are expected in parts of south central North Dakota this afternoon and early evening. Northwest winds will increase to around 25 mph this afternoon, with gusts as high as 40 mph. Relative humidity will fall as low as 20 percent this

* WHAT...Dangerously hot conditions with heat index values up to 113 degrees expected during the daytime, with limited heat relief overnight. * WHERE...Bolivar, Humphreys, Leflore, Sunflower, and Washington counties in Mississippi and Chicot County, Arkansas. * WHEN...From 10 AM this morning to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of