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

7°F

-14°C

Humidity 71%
Wind Speed W 13 mph
Barometer 29.92 in
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 17 Jan 4:35 am CST
Extended Forecast for

Grinnell Regional Airport IA

  • Overnight

    Overnight: A 50 percent chance of snow. Mostly cloudy, with a low around 7. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow

  • Saturday

    Saturday: Snow before 3pm, then a chance of flurries between 3pm and 4pm. High near 13. Wind chill values as low as -10. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 13 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6. Wind chill values as low as -5. Blustery, with a northwest wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 6 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 26. Wind chill values as low as -5. Windy, with a southwest wind 11 to 16 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0. Windy, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    Low: 0 °F

    Mostly Cloudy
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 13. Blustery.

    High: 13 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow. Mostly cloudy, with a low around 7. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow before 3pm, then a chance of flurries between 3pm and 4pm. High near 13. Wind chill values as low as -10. Windy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 6. Wind chill values as low as -5. Blustery, with a northwest wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 26. Wind chill values as low as -5. Windy, with a southwest wind 11 to 16 mph becoming northwest 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 0. Windy, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph.
M.L.King Day
Mostly sunny, with a high near 13. Blustery.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 25.
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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:
4:27 am CST Jan 17, 2026
Forecast Valid:
4am CST Jan 17, 2026-6pm CST Jan 23, 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