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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy and Windy

37°F

3°C

Humidity 61%
Wind Speed NW 26 G 36 mph
Barometer 29.91 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 13 Mar 10:55 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

Winter Storm Watch March 15, 07:00pm until March 16, 10:00am
Wind Advisory March 13, 11:07am until March 13, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Wind Advisory
  •  
    Wind Advisory March 13, 11:07am until March 13, 12:00pm

    NOW until 12:00pm Fri

    Wind Advisory

  • Today

    High: 46 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 46. East wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 46 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Cloudy, with a low around 36. Breezy, with an east wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Slight Chance
    Rain then
    Rain Likely
    and Breezy

  • Sunday

    Sunday: Rain before 4pm, then snow. Some thunder is also possible. High near 51. Windy, with an east wind 15 to 20 mph becoming north 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 51 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 8. Windy. Chance of precipitation is 80%.

    Low: 8 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Areas of blowing snow before 8am. Partly sunny, with a high near 16. Windy.

    High: 16 °F

    Windy. Areas
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

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

    Low: 1 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

Detailed Forecast

Today
Mostly sunny, with a high near 46. Windy, with a west northwest wind 20 to 26 mph, with gusts as high as 41 mph.
Tonight
A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Saturday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 46. East wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Rain likely, mainly after 1am. Cloudy, with a low around 36. Breezy, with an east wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 4pm, then snow. Some thunder is also possible. High near 51. Windy, with an east wind 15 to 20 mph becoming north 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 8. Windy. Chance of precipitation is 80%.
Monday
Areas of blowing snow before 8am. Partly sunny, with a high near 16. Windy.
Monday Night
Mostly clear, with a low around 1. Windy.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
9:48 am CDT Mar 13, 2026
Forecast Valid:
11am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation