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.

Fog

44°F

7°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Last update 20 Nov 12:15 pm CST
Extended Forecast for

5 Miles SW Grinnell Regional Airport IA

  • This Afternoon

    This Afternoon: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 51. West southwest wind around 6 mph becoming north northwest.

    High: 51 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 39. Calm wind becoming northeast around 6 mph after midnight.

    Low: 39 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 50. Northeast wind 6 to 8 mph.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 30. North northeast wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 55. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

This Afternoon
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 51. West southwest wind around 6 mph becoming north northwest.
Tonight
Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 39. Calm wind becoming northeast around 6 mph after midnight.
Friday
A 20 percent chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 50. Northeast wind 6 to 8 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 30. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 55. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Grinnell Regional Airport IA
 41.64°N 92.78°W
Last Update:
11:16 am CST Nov 20, 2025
Forecast Valid:
12pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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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