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/Mist

7°C

45°F

Humidity 90%
Wind Speed NE 17 km/h
Barometer 29.74 in
Dewpoint 6°C (42°F)
Visibility 6 km
Wind Chill4°C (40°F)
Last update 10 Mar 11:35 pm CDT
Extended Forecast for

Montezuma IA

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Cloudy, with a steady temperature around 6. North wind 16 to 23 km/h, with gusts as high as 35 km/h.

    Low: 6 °C

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of rain between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 6. Windy, with a north northwest wind 26 to 31 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 6 °C

    Windy. Chance
    Rain/Snow
    then Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Clear, with a low around -3. Northwest wind 16 to 21 km/h becoming west 8 to 13 km/h after midnight. Winds could gust as high as 37 km/h.

    Low: -3 °C

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 12. Windy, with a west wind 10 to 20 km/h becoming south 25 to 35 km/h. Winds could gust as high as 50 km/h.

    High: 12 °C

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 2. Windy, with a south southwest wind 34 to 37 km/h becoming west after midnight. Winds could gust as high as 65 km/h.

    Low: 2 °C

    Chance Rain
    and Windy

  • Friday

    Friday: Partly sunny, with a high near 9. Windy.

    High: 9 °C

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0.

    Low: 0 °C

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 12.

    High: 12 °C

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely after 1am. Cloudy, with a low around 0. Chance of precipitation is 60%.

    Low: 0 °C

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Cloudy, with a steady temperature around 6. North wind 16 to 23 km/h, with gusts as high as 35 km/h.
Wednesday
A chance of rain and snow before 10am, then a chance of rain between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 6. Windy, with a north northwest wind 26 to 31 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Clear, with a low around -3. Northwest wind 16 to 21 km/h becoming west 8 to 13 km/h after midnight. Winds could gust as high as 37 km/h.
Thursday
Increasing clouds, with a high near 12. Windy, with a west wind 10 to 20 km/h becoming south 25 to 35 km/h. Winds could gust as high as 50 km/h.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 2. Windy, with a south southwest wind 34 to 37 km/h becoming west after midnight. Winds could gust as high as 65 km/h.
Friday
Partly sunny, with a high near 9. Windy.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Mostly cloudy, with a high near 12.
Saturday Night
Rain likely after 1am. Cloudy, with a low around 0. Chance of precipitation is 60%.
Sunday
Rain and snow likely, mainly before 1pm. Cloudy, with a high near 5. Windy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around -13. Windy.
Monday
Sunny, with a high near -3.
Monday Night
Partly cloudy, with a low around -12.
Tuesday
Mostly cloudy, with a high near 2.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.52°W
Last Update:
10:37 pm CDT Mar 10, 2026
Forecast Valid:
11pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation