Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Snow

34°F

1°C

Humidity 92%
Wind Speed N 16 G 25 mph
Barometer 29.38 in
Dewpoint 32°F (0°C)
Visibility 1.00 mi
Wind Chill24°F (-4°C)
Last update 15 Mar 9:15 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

Blizzard Warning March 15, 01:00pm until March 16, 07:00am
High Wind Warning March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning
  • Today

    Today: Rain before 3pm, then rain, snow, and sleet likely between 3pm and 4pm, then snow, possibly mixed with rain after 4pm. Some thunder is also possible.  Patchy blowing snow after 4pm. Temperature rising to near 44 by 11am, then falling to around 32 during the remainder of the day. Windy, with a north northwest wind 17 to 22 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. Total daytime snow and sleet accumulation of less than a half inch possible.

    High: 44 °F

    Rain and
    Windy then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly before 4am.  Widespread blowing snow, mainly after 9pm. Low around 7. Wind chill values as low as -10. Very windy, with a northwest wind 34 to 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 7am.  Areas of blowing snow. Cloudy, then gradually becoming mostly sunny, with a high near 16. Wind chill values as low as -15. Windy, with a northwest wind 23 to 30 mph, with gusts as high as 45 mph.  New snow accumulation of less than a half inch possible.

    High: 16 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. 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: 1 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm.  Partly sunny, with a high near 28. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am.  Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Rain before 3pm, then rain, snow, and sleet likely between 3pm and 4pm, then snow, possibly mixed with rain after 4pm. Some thunder is also possible. Patchy blowing snow after 4pm. Temperature rising to near 44 by 11am, then falling to around 32 during the remainder of the day. Windy, with a north northwest wind 17 to 22 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
Snow, mainly before 4am. Widespread blowing snow, mainly after 9pm. Low around 7. Wind chill values as low as -10. Very windy, with a northwest wind 34 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 30 percent chance of snow before 7am. Areas of blowing snow. Cloudy, then gradually becoming mostly sunny, with a high near 16. Wind chill values as low as -15. Windy, with a northwest wind 23 to 30 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around 1. 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 20 percent chance of snow after 1pm. Partly sunny, with a high near 28. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
7:02 am CDT Mar 15, 2026
9am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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