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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

14°F

-10°C

Humidity 73%
Wind Speed NW 17 G 21 mph
Barometer 30.39 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 21 Feb 11:35 pm CST
Extended Forecast for

Montezuma IA

  • Tonight

    Tonight: A chance of flurries before 1am, then a chance of flurries after 2am. Mostly cloudy, with a low around 8. Wind chill values as low as -10. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 8 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before 9am. Partly sunny, with a high near 20. Wind chill values as low as -10. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 20 °F

    Chance
    Flurries and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5. Wind chill values as low as -10. North northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind 3 to 8 mph.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon. Partly sunny, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after midnight. Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A chance of flurries before 1am, then a chance of flurries after 2am. Mostly cloudy, with a low around 8. Wind chill values as low as -10. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Sunday
A chance of flurries before 9am. Partly sunny, with a high near 20. Wind chill values as low as -10. Windy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 5. Wind chill values as low as -10. North northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 20. Wind chill values as low as -10. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 10. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
A slight chance of rain and snow after noon. Partly sunny, with a high near 39. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of snow after midnight. Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.55°W
Last Update:
10:31 pm CST Feb 21, 2026
Forecast Valid:
11pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
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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