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.

Fair and Breezy

42°F

6°C

Humidity 52%
Wind Speed NW 23 G 29 mph
Barometer 30.17 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Mar 4:35 pm CDT
Extended Forecast for

4 Miles SSE Chelsea IA

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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Windy, with a north northwest wind around 22 mph, with gusts as high as 31 mph.

    High: 39 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 6 to 10 mph, with gusts as high as 18 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 34 mph.

    High: 52 °F

    Sunny then
    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 33. Windy, with a south southwest wind around 26 mph becoming west after midnight. Winds could gust as high as 45 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 45. Windy, with a west northwest wind 16 to 25 mph, with gusts as high as 41 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.

    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 31. Chance of precipitation is 70%.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. High near 39. Windy. Chance of precipitation is 90%.

    High: 39 °F

    Rain/Snow and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Windy, with a north northwest wind around 22 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 25. West wind 6 to 10 mph, with gusts as high as 18 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 34 mph.
Thursday Night
A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 33. Windy, with a south southwest wind around 26 mph becoming west after midnight. Winds could gust as high as 45 mph. 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 16 to 25 mph, with gusts as high as 41 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
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 31. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 39. Windy. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 8. Windy.
Monday
Mostly sunny, with a high near 21. Blustery.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Chelsea IA
 41.85°N 92.37°W
Last Update:
3:07 pm CDT Mar 11, 2026
Forecast Valid:
4pm CDT Mar 11, 2026-6pm CDT Mar 17, 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