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.

Overcast

8°F

-13°C

Humidity 74%
Wind Speed W 17 G 21 mph
Barometer 30.20 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 17 Jan 5:15 pm CST
Extended Forecast for

Grinnell Regional Airport IA

Cold Weather Advisory January 18, 09:00pm until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of flurries with a slight chance of snow. Cloudy and cold, with a high near 10. Wind chill values as low as -10. Blustery, with a west northwest wind around 18 mph, with gusts as high as 28 mph.

    High: 10 °F

    Slight Chance
    Snow and
    Blustery

  • Tonight

    Tonight: Mostly cloudy, with a low around 6. Wind chill values as low as -10. Blustery, with a west northwest wind 12 to 17 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of flurries before 7am, then a chance of snow, mainly between 7am and 5pm. Mostly cloudy, with a high near 26. Wind chill values as low as zero. Windy, with a southwest wind 6 to 11 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 26 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1. Wind chill values as low as -25. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 41 mph.

    Low: -1 °F

    Mostly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 12. Blustery, with a west northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 12 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of flurries with a slight chance of snow. Cloudy and cold, with a high near 10. Wind chill values as low as -10. Blustery, with a west northwest wind around 18 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 6. Wind chill values as low as -10. Blustery, with a west northwest wind 12 to 17 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
A chance of flurries before 7am, then a chance of snow, mainly between 7am and 5pm. Mostly cloudy, with a high near 26. Wind chill values as low as zero. Windy, with a southwest wind 6 to 11 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around -1. Wind chill values as low as -25. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 41 mph.
M.L.King Day
Mostly sunny, with a high near 12. Blustery, with a west northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
A chance of snow. Mostly cloudy, with a high near 11.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
5:11 pm CST Jan 17, 2026
Forecast Valid:
5pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation