Excessive Heat Warnings, Heat Watches and Advisories are in effect in 19 states
All or parts of the following states are under Excessive Heat Warnings, Heat Watches and Advisories
Montana, North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Minnesota, Iowa, Missouri, Arkansas, Wisconsin, Illinois, Michigan, Indiana, Ohio, Kentucky, Tennessee and Mississippi
Red Flag Warnings
Red Flag Warnings are in effect in parts of Utah and Nevada.
Highest Heat Indexes
The highest recorded heat indexes in the U.S. were
- Knoxville, Iowa: 131 (ºF)
- Freeport, Illinois: 124
- Madison, Minnesota: 124
- Watertown, Wisconsin: 119
- Tekamah, Nebraska: 117
- Camberlain, South Dakota: 115
Heat Index Forecast:
- Washington, DC: 116
- Richmond, Virginia: 118
Maximum heat index forecast for July 22, 2011. Click image to enlarge.
Hazards Assessment Map
NWS has forecast that excessive heat will persist from today through July 29 in all the eastern half of the country except for the Northeast. Click image to enlarge.
Tuesday’s weather highlights for the central United States include:
- Blazing heat continues in the Plains and gradually spreads across the Midwest
- A band of states at risk of severe storms stretches from the Pacific Northwest to the Mid-Atlantic
- Rain and thunderstorms over the Rockies, the eastern Great Lakes and the western Gulf Coast (Source: NOAA)
Fire Earth 