Expected

* WHAT...For the Extreme Heat Warning through Sunday evening, dangerously hot conditions with afternoon and early evening heat index values reaching least 105 to 115 degrees. For the Heat Advisory on Monday, afternoon and early evening heat index as high as 100 to 110 degrees. * WHERE...Portions of north central Kansas and central, east central, and south central Nebraska. * WHEN...For the Extreme Heat Warning, until 9 PM CDT Sunday. For the Heat Advisory, from 9 PM Sunday to 10 PM CDT Monday.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 101 expected. * WHERE...Portions of central, north central, southwest, and west central Nebraska. * WHEN...For the Extreme Heat Warning, until 7 AM CDT Monday. For the Heat Advisory, from 7 AM to 10 PM CDT Monday. * 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 up to 110. * WHERE...Boyd, Holt, Keya Paha, and Wheeler Counties. * WHEN...Until 7 AM CDT Monday. * 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 interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.

...WINDY AND BREEZY WITH CRITICAL RELATIVE HUMIDITY TODAY... An upper level low will eject into the region bringing windy conditions to many of the Cascade Gaps as well as central OR. Humidities will be critical. * AFFECTED AREA...Fire Weather Zones 698 Southern Blue Mountains and 700 Central Mountains of Oregon. * TIMING...Until 8 PM PDT this evening. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fire that develops will catch and spread

...WINDY AND BREEZY WITH CRITICAL RELATIVE HUMIDITY TODAY... An upper level low will eject into the region bringing windy conditions to many of the Cascade Gaps as well as central OR. Humidities will be critical. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington, 697 Central Blue Mountains and 704 Northern Deschutes National Forest. * TIMING...Until 8 PM PDT this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112. For the Heat Advisory, heat index values up to 108 expected. * WHERE...Portions of east central and southeast Nebraska. * WHEN...For the Extreme Heat Warning, until 9 PM CDT Sunday. For the Heat Advisory, from 9 PM Sunday to 10 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of west central Iowa and east central and northeast Nebraska. * WHEN...Until 7 AM CDT Monday. * 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...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 116. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...In Iowa, Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie, and Shelby Counties. In Nebraska, Douglas and Sarpy Counties. * WHEN...For the first Extreme Heat Warning and second Extreme Heat Warning, until 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday evening through Monday evening.

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Antelope, Cedar, Knox, and Pierce Counties. * WHEN...Until 7 AM CDT Monday. * 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 interiors will reach lethal temperatures in a matter of minutes.

* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Portions of south central and southeast South Dakota. * WHEN...Until 8 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 interiors will reach lethal temperatures in a matter of minutes.