Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

N/A

Humidity NA
Wind Speed S 15 G 22 mph
Barometer 29.52 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Apr 2:15 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

Tornado Watch until April 2, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until April 2, 08:00pm

    NOW until 8:00pm Thu

    Tornado Watch

  • This Afternoon

    High: 64 °F

    Showers and
    Breezy

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, with a low around 36. Breezy, with a west wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 36 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly cloudy, with a high near 63. East wind 5 to 15 mph, with gusts as high as 22 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 37. Southeast wind around 14 mph becoming west after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 47. Windy, with a west wind 17 to 22 mph, with gusts as high as 30 mph.

    High: 47 °F

    Slight Chance
    Showers and
    Windy

  • Saturday Night

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

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 64. Breezy, with a south southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 36. Breezy, with a west wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 63. East wind 5 to 15 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 37. Southeast wind around 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 47. Windy, with a west wind 17 to 22 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 30. Blustery.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35. Breezy.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 66. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
1:47 pm CDT Apr 2, 2026
2pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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