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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Montezuma IA

  • Today

    Today: Mostly sunny, with a high near 81. North northeast wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southeast wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind 3 to 5 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. North northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 60. Light east wind.
Monday
Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 62. Southeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 3 to 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.55°W
Last Update:
8:53 am CDT Aug 2, 2026
Forecast Valid:
11am CDT Aug 2, 2026-6pm CDT Aug 8, 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