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

55°F

13°C

Humidity 94%
Wind Speed W 7 mph
Barometer 30.03 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 20 Jun 2:15 am CDT
Extended Forecast for

4 Miles SSE Chelsea IA

  • Overnight

    Overnight: Mostly clear, with a low around 54. Light west wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 3am. 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

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely. Mostly cloudy, with a high near 69. Breezy, with an east northeast wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    High: 69 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52. Northeast wind 5 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 77.

    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 before 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Light west wind.
Saturday
Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers, mainly after 3am. 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 thunderstorms likely. Mostly cloudy, with a high near 69. Breezy, with an east northeast wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52. Northeast wind 5 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 77.
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 before 1am. Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 78.
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 55.
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
 41.88°N 92.36°W
Last Update:
2:01 am CDT Jun 20, 2026
Forecast Valid:
2am 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