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.

Light Snow

9°F

-13°C

Humidity 78%
Wind Speed NW 20 G 25 mph
Barometer 30.19 in
Dewpoint 3°F (-16°C)
Visibility 2.50 mi
Wind Chill-10°F (-23°C)
Last update 17 Jan 4:35 pm CST
Extended Forecast for

4 Miles NW Guernsey 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 chance of snow before 5pm, then a chance of flurries with a slight chance of snow after 5pm. Cloudy and cold, with a high near 10. Wind chill values as low as -10. Blustery, with a west northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 10 °F

    Chance Snow
    and Blustery

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -10. West northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 5 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A chance of flurries before 8am, then a chance of snow, mainly after 11am. Mostly cloudy, with a high near 25. Wind chill values as low as -5. Windy, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. Wind chill values as low as -25. Windy, with a northwest wind 21 to 24 mph, with gusts as high as 43 mph.

    Low: -2 °F

    Mostly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 11. Blustery, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 11 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow before 5pm, then a chance of flurries with a slight chance of snow after 5pm. Cloudy and cold, with a high near 10. Wind chill values as low as -10. Blustery, with a west northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -10. West northwest wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Sunday
A chance of flurries before 8am, then a chance of snow, mainly after 11am. Mostly cloudy, with a high near 25. Wind chill values as low as -5. Windy, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around -2. Wind chill values as low as -25. Windy, with a northwest wind 21 to 24 mph, with gusts as high as 43 mph.
M.L.King Day
Mostly sunny, with a high near 11. Blustery, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Guernsey IA
 41.68°N 92.4°W
Last Update:
4:47 pm CST Jan 17, 2026
Forecast Valid:
4pm CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation