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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

61°F

16°C

Humidity 79%
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 6 Mar 7:55 pm CST
Extended Forecast for

3 Miles NNW Hartwick IA

  • Tonight

    Tonight: Rain and thunderstorms, mainly before 4am. Low around 37. Breezy, with a south wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    T-storms and
    Breezy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 47 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after noon. Mostly sunny, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and thunderstorms, mainly before 4am. Low around 37. Breezy, with a south wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 44. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 39.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after noon. Mostly sunny, with a high near 59. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 60. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
5:16 pm CST Mar 6, 2026
Forecast Valid:
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation