Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Rain

46°F

8°C

Humidity 77%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 9 Apr 4:55 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  Steady temperature around 52. North northeast wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall.  Low around 39. North wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 39 °F

    Heavy Rain

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Northeast wind 3 to 5 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 60. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 71. Windy.  Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Breezy.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 80. Breezy.

    High: 80 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 52. North northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 39. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 36. Northeast wind 3 to 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 80. Breezy.
Monday Night
A 50 percent chance of showers. Partly cloudy, with a low around 62.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers. Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
3:01 pm CDT Apr 9, 2026
5pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026
 
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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