Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

30°F

-1°C

Humidity 73%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Mar 11:35 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

High Wind Warning March 12, 10:00pm until March 13, 10:00am
Click here for hazard details and duration
High Wind Warning
  • Tonight

    Tonight: Mostly clear, with a low around 25. West northwest wind around 7 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 52. Windy, with a south southwest wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 52 °F

    Sunny then
    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 32. Windy, with a south southwest wind 23 to 28 mph becoming west northwest after midnight. Winds could gust as high as 50 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Windy. Rain
    Likely then
    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 45. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 45 mph.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am.  Mostly cloudy, with a low around 28. Northwest wind 5 to 8 mph becoming light and variable  in the evening.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm, then a slight chance of rain and snow.  Cloudy, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Some thunder is also possible.  Cloudy, with a low around 32. Breezy.  Chance of precipitation is 70%.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain and snow.  High near 40. Windy.  Chance of precipitation is 80%.

    High: 40 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am.  Mostly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West northwest wind around 7 mph.
Thursday
Increasing clouds, with a high near 52. Windy, with a south southwest wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Windy, with a south southwest wind 23 to 28 mph becoming west northwest after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 45. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 45 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Saturday
A slight chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 20%.
Saturday Night
Rain and snow likely, mainly after 1am. Some thunder is also possible. Cloudy, with a low around 32. Breezy. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 40. Windy. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 9. Windy.
Monday
Mostly sunny, with a high near 21. Windy.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
10:43 pm CDT Mar 11, 2026
11pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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