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

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 41°F (5°C)
Visibility 2.00 mi
Last update 19 Nov 9:35 pm CST
Extended Forecast for

Montezuma IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50. North northeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 30. North northeast wind 3 to 6 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly 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: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. South wind 3 to 5 mph.
Thursday
Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 39. Calm wind becoming northeast 5 to 7 mph after midnight.
Friday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50. North northeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 30. North northeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 55.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.52°W
Last Update:
9:01 pm CST Nov 19, 2025
Forecast Valid:
9pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
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