Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair and Windy

67°F

19°C

Humidity 29%
Wind Speed S 32 G 44 mph
Barometer 29.94 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 8 Apr 12:15 pm CDT
Extended Forecast for

Hartwick IA

Wind Advisory April 8, 12:26pm until April 8, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 8, 12:26pm until April 8, 04:00pm

    NOW until 4:00pm Wed

    Wind Advisory

  • This Afternoon

    High: 72 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 41. Breezy, with a south southwest wind 13 to 18 mph becoming west southwest 5 to 10 mph after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly after 4pm.  High near 61. North wind 5 to 7 mph becoming light and variable  in the afternoon.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Mostly Sunny
    then Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 42. North northeast wind 7 to 11 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57. North wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 4pm. Sunny early, then becoming mostly cloudy, with a high near 72. Windy, with a south southwest wind 25 to 28 mph, with gusts as high as 40 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 41. Breezy, with a south southwest wind 13 to 18 mph becoming west southwest 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly after 4pm. High near 61. North wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 42. North northeast wind 7 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly sunny, with a high near 57. North wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 39.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 60. Windy. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77. Windy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartwick IA
 41.79°N 92.37°W
12:19 pm CDT Apr 8, 2026
12pm CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
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