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

-4°F

-20°C

Humidity 78%
Wind Speed Calm
Barometer 30.40 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 26 Jan 4:35 am CST
Extended Forecast for

Grinnell Regional Airport IA

Cold Weather Advisory January 26, 04:51am until January 26, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 26, 04:51am until January 26, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Today

    High: 15 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as -5. Breezy, with a south southwest wind 13 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 9 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 16. Wind chill values as low as -5. Blustery, with a northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 16 °F

    Sunny and
    Blustery

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 15. Wind chill values as low as -15. Breezy, with a west northwest wind 7 to 12 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 9. Wind chill values as low as -5. Breezy, with a south southwest wind 13 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 16. Wind chill values as low as -5. Blustery, with a northwest wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 3. Calm wind.
Wednesday
Mostly sunny, with a high near 22. Calm wind becoming west northwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Partly sunny, with a high near 16.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Sunny, with a high near 16.
Friday Night
Mostly clear, with a low around 1.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
4:42 am CST Jan 26, 2026
Forecast Valid:
4am CST Jan 26, 2026-6pm CST Feb 1, 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