Expected

* WHAT...For the Extreme Heat Warning, Dangerously hot conditions with heat index values up to 112 degrees expected, with locally higher values possible. For the Heat Advisory, heat index values up to around 109 degrees expected, with locally higher values possible. * WHERE...All of southeast Missouri, and neighboring portions of southwest Illinois and far western Kentucky. * WHEN...For the Extreme Heat Warning, from 11 AM this morning to 7 PM CDT this evening. For the Heat Advisory, from 7 PM

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees expected. * WHERE...A portion of southeast Montana. * WHEN...Until 9 PM MDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will quickly become dangerous to anyone without adequate cooling and hydration.

* WHAT...Dangerously hot conditions. High temperatures between 95 and 102 expected. * WHERE...Bears Paw Mountains and Southern Blaine and Fergus County below 4500ft. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat. * ADDITIONAL DETAILS...The hottest temperatures will occur in the Missouri River Breaks. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

* WHAT...Dangerously hot conditions with heat index values up to 112 degrees expected, with locally higher values possible. * WHERE...All of southeast Missouri, and neighboring portions of southwest Illinois and far western Kentucky. * WHEN...From 11 AM to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...This Warning is in effect along and west of a line from Mount Vernon, Illinois, to Murray, Kentucky.

* WHAT...Dangerously hot conditions with heat index values from 100 to 112 degrees. * WHERE...Portions of central and north central South Dakota. * WHEN...Until 9 PM CDT /8 PM MDT/ Sunday. * 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

* WHAT...Dangerously hot conditions with heat index values from 100 to 108 degrees. * WHERE...Portions of west central Minnesota and northeast South Dakota. * WHEN...Until 9 PM CDT Sunday. * 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

* WHAT...Dangerously hot conditions with high temperatures of 100 to 107 and low temperatures in the low 70s to low 80s. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Monday. * 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.

* WHAT...Dangerously hot conditions with high temperatures 110 to 116 and lows in the mid 80s to low 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * 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.

* WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 105 and low temperatures in the low 70s. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * 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.

* CHANGES...None. * Affected Area...Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties. * Winds...Southwest 15 to 20 mph with gusts up to 35 mph. * Humidity...Minimum humidity 6 to 11 percent. Limited overnight humidity recovery of 25 to 45 percent. * Duration...3 to 6 hours. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first