Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

39°F

4°C

Humidity 49%
Wind Speed Calm
Barometer 30.38 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 6 Apr 8:35 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North wind 7 to 9 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers between noon and 4pm, then a chance of rain showers.  Partly sunny, with a high near 42. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a steady temperature around 39. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 28 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 68. Windy, with a south southwest wind 18 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 63. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. North wind 7 to 9 mph.
Tuesday
A slight chance of snow showers between noon and 4pm, then a chance of rain showers. Partly sunny, with a high near 42. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a steady temperature around 39. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Windy, with a south southwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 63. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
Showers likely. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. Breezy. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 76. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
6:16 pm CDT Apr 6, 2026
8pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

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