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

Air Quality Concerns; Fire Weather; Extreme Heat; Severe Thunderstorms and Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and flash flooding possible for the Southeast through today. Strong to severe thunderstorms for the Southern Plains with severe wind gusts and large hail possible. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

72°F

22°C

Humidity 70%
Wind Speed SE 5 mph
Barometer 30.17 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 9:55 am CDT
Extended Forecast for

Chelsea IA

  • Today

    Today: Mostly sunny, with a high near 79. Southeast wind around 6 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southeast wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southeast wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. South southeast wind 3 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Southeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 85. South southeast wind 3 to 8 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelsea IA
 41.92°N 92.39°W
Last Update:
9:27 am CDT Aug 4, 2025
Forecast Valid:
10am CDT Aug 4, 2025-6pm CDT Aug 10, 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