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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair and Breezy

79°F

26°C

Humidity 12%
Wind Speed W 21 G 28 mph
Barometer 29.55 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 May 12:55 pm CDT
Extended Forecast for

Chelsea IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a steady temperature around 78. Breezy, with a west wind around 16 mph, with gusts as high as 24 mph.

    High: 78 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Increasing clouds, with a low around 45. North wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 59. Light north wind becoming northwest 5 to 10 mph in the morning.

    High: 59 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. North wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. North wind 3 to 8 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a steady temperature around 78. Breezy, with a west wind around 16 mph, with gusts as high as 24 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Increasing clouds, with a low around 45. North wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 59. Light north wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 38. North wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 57. North wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelsea IA
 41.92°N 92.39°W
Last Update:
11:52 am CDT May 4, 2026
Forecast Valid:
1pm CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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