Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

80°F

27°C

Humidity 37%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 May 7:55 pm CDT
Extended Forecast for

3 Miles ENE Chelsea IA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light south southeast wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 10pm and 11pm.  Mostly clear, with a low around 59. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. East wind around 9 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East wind 3 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light south southeast wind.
Wednesday
Sunny, with a high near 89. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly clear, with a low around 59. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 85. East wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 55. East wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Chelsea IA
 41.92°N 92.33°W
5:42 pm CDT May 26, 2026
8pm CDT May 26, 2026-6pm CDT Jun 2, 2026
 
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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