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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

64°F

18°C

Humidity 85%
Wind Speed E 9 mph
Barometer 29.97 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Jun 5:15 am CDT
Extended Forecast for

Montezuma IA

Extreme Heat Watch June 28, 01:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Mostly cloudy, with a high near 81. East wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 81 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 66. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 92. Heat index values as high as 101. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 92 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Breezy, with a south wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 95. Breezy, with a south wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 95 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Breezy.

    Low: 75 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Breezy.

    Low: 73 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 81. East wind 7 to 11 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 66. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 92. Heat index values as high as 101. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 74. Breezy, with a south wind 10 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 95. Breezy, with a south wind 11 to 20 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 75. Breezy.
Tuesday
Sunny, with a high near 95. Breezy.
Tuesday Night
Mostly clear, with a low around 73. Breezy.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.52°W
Last Update:
3:57 am CDT Jun 27, 2026
Forecast Valid:
5am CDT Jun 27, 2026-6pm CDT Jul 3, 2026
 
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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