National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy and Windy

47°F

8°C

Humidity 53%
Wind Speed W 33 G 41 mph
Barometer 29.57 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Mar 3:35 am CDT
Extended Forecast for

Chelsea IA

Winter Storm Watch March 15, 07:00pm until March 16, 10:00am
High Wind Warning March 13, 03:53am until March 13, 10:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  •  
    High Wind Warning March 13, 03:53am until March 13, 10:00am

    NOW until 10:00am Fri

    High Wind Warning

  • Overnight

    Low: 32 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 45. Windy, with a west northwest wind 20 to 29 mph, with gusts as high as 49 mph.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow after 2am. Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming calm in the evening. Little or no snow accumulation expected.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 44. East southeast wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 44 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Cloudy, with a low around 35. East wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain before 4pm, then snow. Some thunder is also possible. High near 50. Windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °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 between 4am and 5am. Low around 8. Windy. Chance of precipitation is 80%.

    Low: 8 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Widespread blowing snow, mainly before 7am. Partly sunny, with a high near 16. Windy.

    High: 16 °F

    Windy.
    Blowing Snow
    then Mostly
    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Windy, with a west wind 26 to 30 mph, with gusts as high as 50 mph.
Friday
Mostly sunny, with a high near 45. Windy, with a west northwest wind 20 to 29 mph, with gusts as high as 49 mph.
Friday Night
A 30 percent chance of snow after 2am. Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming calm in the evening. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 44. East southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Rain likely, mainly after 1am. Cloudy, with a low around 35. East wind 11 to 14 mph, with gusts as high as 24 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 50. Windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Snow, mainly before 1am. The snow could be heavy at times. Widespread blowing snow, mainly between 4am and 5am. Low around 8. Windy. Chance of precipitation is 80%.
Monday
Widespread blowing snow, mainly before 7am. 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 18.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea IA
 41.92°N 92.39°W
Last Update:
3:32 am CDT Mar 13, 2026
Forecast Valid:
3am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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