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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

53°F

12°C

Humidity 15%
Wind Speed NW 15 G 20 mph
Barometer 30.22 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 19 Apr 5:15 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Clear, with a low around 29. North northwest wind 8 to 13 mph becoming light and variable in the evening.

    Low: 29 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Breezy, with a light east southeast wind becoming south southeast 11 to 16 mph in the morning. Winds could gust as high as 22 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. West southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy. Chance of precipitation is 50%.

    High: 74 °F

    Windy. Slight
    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. Windy. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely and
    Windy

Detailed Forecast

Tonight
Clear, with a low around 29. North northwest wind 8 to 13 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 62. Breezy, with a light east southeast wind becoming south southeast 11 to 16 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 50. South wind around 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 79. West southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Windy. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. Windy. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 62. Breezy.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
4:12 pm CDT Apr 19, 2026
Forecast Valid:
5pm CDT Apr 19, 2026-6pm CDT Apr 26, 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