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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

74°F

23°C

Humidity 51%
Wind Speed N 8 mph
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 1:15 pm CDT
Extended Forecast for

4 Miles SSE Chelsea IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. West northwest wind 6 to 8 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 56. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 4pm, then a chance of showers. High near 70. Breezy, with an east wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a north northeast wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. North northeast wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. West northwest wind 6 to 8 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 56. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers and possibly a thunderstorm before 4pm, then a chance of showers. High near 70. Breezy, with an east wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
A 20 percent chance of showers between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a north northeast wind 6 to 16 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 77. North northeast wind around 7 mph.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chelsea IA
 41.85°N 92.37°W
Last Update:
12:36 pm CDT Jun 20, 2026
Forecast Valid:
1pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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