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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

A Few Clouds

76°F

24°C

Humidity 62%
Wind Speed SW 10 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Aug 5:52 pm CDT
Extended Forecast for

Marion IA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Southeast wind around 5 mph becoming calm.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 84. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. Southeast wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 66. South wind around 5 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 84. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 88.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marion IA
 42.04°N 91.6°W (Elev. 804 ft)
Last Update:
5:46 pm CDT Aug 24, 2026
Forecast Valid:
6pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026
 
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