Expected

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Barber County. * WHEN...For the Extreme Heat Warning, from noon today to 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 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.

...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...From 10 AM this morning to 8 PM PDT this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph.

* WHAT...Dangerously hot conditions with heat index values up to 112 expected. * WHERE...Antelope, Cedar, Knox, and Pierce Counties. * WHEN...From noon today to 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...For the Dense Fog Advisory, visibility of a quarter to half mile in dense fog. For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. 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.

* WHAT...Dangerously hot conditions with heat index values up to 112 expected. * WHERE...Antelope, Cedar, Knox, and Pierce Counties. * WHEN...From noon today to 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...For the Dense Fog Advisory, visibility of a quarter to half mile in dense fog. For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Douglas and Sarpy Counties. * WHEN...For the Dense Fog Advisory, until 10 AM CDT this morning.

* WHAT...For the Dense Fog Advisory, visibility of a quarter to half mile in dense fog. For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie, and Shelby Counties. * WHEN...For the Dense Fog Advisory, until 10 AM CDT this morning.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Grundy, Marshall, Poweshiek, Tama, Butler, Black Hawk, Bremer, Mahaska, Davis, and Wapello Counties. * WHEN...For the Extreme Heat Warning, from noon to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday evening through Monday evening.

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Heat Advisory, heat index values near or exceeding 105 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of central, south central and southwest Iowa. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning.