Future

* WHAT...For the Dense Fog Advisory, visibility one quarter or less in dense fog. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Jasper, Appanoose, Clarke, Decatur, Lucas, Marion, Monroe, and Wayne Counties. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Extreme Heat Warning, from noon to 9 PM CDT Sunday. For

* WHAT...For the Dense Fog Advisory, visibility one quarter or less in dense fog. 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...Marshall County. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. 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 or less in dense fog. For the Heat Advisory, heat index values up to 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 over 105 possible. * WHERE...Hamilton, Hardin, Webster, Franklin, Wright, Calhoun, and Sac Counties. * WHEN...For the Dense Fog Advisory, until 9 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...In Iowa, Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie, and Shelby Counties. In Nebraska, Douglas and Sarpy Counties.

* 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 Dense Fog Advisory, visibility one quarter or less in dense fog. For the Extreme Heat Warning, dangerously hot conditions with heat index values near or exceeding 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Jasper, Appanoose, Clarke, Decatur, Lucas, Marion, Monroe, and Wayne Counties. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Extreme Heat Warning, from noon to 9 PM CDT Sunday. For

* WHAT...For the Heat Advisory, heat index values up to 105 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values near or exceeding 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values over 105 possible. * WHERE...Portions of central and north central Iowa. * WHEN...For the Heat Advisory, from noon today to noon CDT Sunday. For the Extreme Heat Warning, from noon to 9 PM CDT Sunday. For

* 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.