Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles NNW Hartwick IA

Winter Weather Advisory March 16, 06:40am until March 16, 10:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory March 16, 06:40am until March 16, 10:00am

    NOW until 10:00am Mon

    Winter Weather Advisory

  • Today

    High: 16 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -10. Blustery, with a northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 40 percent chance of snow after 1pm.  Increasing clouds, with a high near 27. Wind chill values as low as -5. Light and variable wind becoming south 5 to 10 mph in the afternoon.  Little or no snow accumulation expected.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 4am, then a slight chance of snow and freezing rain.  Cloudy, then gradually becoming partly cloudy, with a steady temperature around 25. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Little or no ice accumulation expected.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely
    then Wintry
    Mix Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West southwest wind around 6 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of snow before 8am, then a chance of flurries between 8am and noon. Widespread blowing snow, mainly before 7am. Partly sunny, with a high near 16. Wind chill values as low as -15. Windy, with a northwest wind 23 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -10. Blustery, with a northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
A 40 percent chance of snow after 1pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. Light and variable wind becoming south 5 to 10 mph in the afternoon. Little or no snow accumulation expected.
Tuesday Night
Snow likely before 4am, then a slight chance of snow and freezing rain. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 25. South southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 46. West southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
6:37 am CDT Mar 16, 2026
6am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database