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.

Mostly Cloudy

67°F

19°C

Humidity 57%
Wind Speed N 16 mph
Barometer 30.12 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 13 Oct 12:35 pm CDT
Extended Forecast for

4 Miles SW Montezuma IA

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 73. North wind around 11 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. North northeast wind 7 to 9 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. East northeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 55. East wind 3 to 5 mph.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. East southeast wind around 6 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 73. North wind around 11 mph.
Tonight
Mostly cloudy, with a low around 53. North northeast wind 7 to 9 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. East northeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55. East wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. East southeast wind around 6 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
Sunny, with a high near 72.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Montezuma IA
 41.53°N 92.58°W
Last Update:
12:02 pm CDT Oct 13, 2025
Forecast Valid:
12pm CDT Oct 13, 2025-6pm CDT Oct 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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