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.

Fair and Windy

60°F

16°C

Humidity 9%
Wind Speed SW 28 G 37 mph
Barometer 29.54 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 18 Feb 3:15 pm CST
Extended Forecast for

Montezuma IA

Red Flag Warning February 18, 03:31pm until February 18, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning February 18, 03:31pm until February 18, 07:00pm

    NOW until 7:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 62 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 33. West southwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 54. East northeast wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Blustery.
    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: Partly sunny, with a high near 35. Breezy, with a west northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 35 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Windy, with a west southwest wind 16 to 25 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 33. West southwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.
Thursday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 54. East northeast wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 9pm, then rain and snow likely between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Partly sunny, with a high near 35. Breezy, with a west northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 28. Blustery.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 50. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.52°W
Last Update:
3:21 pm CST Feb 18, 2026
Forecast Valid:
3pm CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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