National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Hazardous Weather Conditions

Current conditions at

Muscatine (KMUT)

Lat: 41.37°NLon: 91.15°WElev: 548ft.

Fair

75°F

24°C

Humidity 89%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 8 Aug 7:55 am CDT
Extended Forecast for

Atalissa IA

Heat Advisory August 8, 12:00pm until August 8, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 75. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 71 °F

    Heavy Rain

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 75. Southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atalissa IA
 41.57°N 91.18°W (Elev. 735 ft)
Last Update:
6:47 am CDT Aug 8, 2025
Forecast Valid:
8am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation