Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

21°C

69°F

Humidity 84%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 18°C (64°F)
Visibility 16 km
Last update 12 Jul 8:35 pm CDT
Extended Forecast for

4 Miles S Gilman IA

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Northwest wind 6 to 11 km/h becoming light and variable  after midnight.

    Low: 15 °C

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, sunny, with a high near 28. Light southwest wind increasing to 6 to 11 km/h in the morning.

    High: 28 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. South southwest wind 8 to 10 km/h.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. South southwest wind 8 to 10 km/h.

    High: 30 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. South wind 5 to 8 km/h.

    Low: 19 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 1am.  Partly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °C

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 29.

    High: 29 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 19.

    Low: 19 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 15. Northwest wind 6 to 11 km/h becoming light and variable after midnight.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 28. Light southwest wind increasing to 6 to 11 km/h in the morning.
Sunday Night
Mostly clear, with a low around 18. South southwest wind 8 to 10 km/h.
Monday
Sunny, with a high near 30. South southwest wind 8 to 10 km/h.
Monday Night
Mostly clear, with a low around 19. South wind 5 to 8 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 29.
Tuesday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 21. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Gilman IA
 41.82°N 92.78°W
6:38 pm CDT Jul 12, 2025
8pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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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