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

34°F

1°C

Humidity 81%
Wind Speed NW 10 mph
Barometer 30.36 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 6 Apr 6:55 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Today

    Today: Increasing clouds, with a high near 47. North northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 47 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. North northwest wind 7 to 10 mph becoming northeast after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 41. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 35. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow
    then Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 68. Windy, with a south wind 18 to 23 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 61. Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 47. North northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 25. North northwest wind 7 to 10 mph becoming northeast after midnight.
Tuesday
A chance of snow showers after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 41. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 35. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 68. Windy, with a south wind 18 to 23 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Breezy. 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 61. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 61.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
6:43 am CDT Apr 6, 2026
Forecast Valid:
7am CDT Apr 6, 2026-6pm CDT Apr 12, 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