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.

Overcast and Windy

45°F

7°C

Humidity 51%
Wind Speed E 26 G 31 mph
Barometer 30.00 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 4:15 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 50. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers, then showers and possibly a thunderstorm after 7pm. Low around 39. Breezy, with an east wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 39 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 69. Windy, with an east southeast wind 15 to 22 mph becoming south southwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers and
    Breezy then
    Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 36. Breezy, with a west wind 13 to 18 mph becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A slight chance of showers, then showers and possibly a thunderstorm after 1pm. High near 65. Light east northeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Slight Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 37. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Windy.

    High: 46 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Windy.

    Low: 30 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 50. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, then showers and possibly a thunderstorm after 7pm. Low around 39. Breezy, with an east wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 69. Windy, with an east southeast wind 15 to 22 mph becoming south southwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 36. Breezy, with a west wind 13 to 18 mph becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers, then showers and possibly a thunderstorm after 1pm. High near 65. Light east northeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 37. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy, with a high near 46. Windy.
Saturday Night
Partly cloudy, with a low around 30. Windy.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 50.
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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:
2:57 pm CDT Apr 1, 2026
Forecast Valid:
4pm CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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