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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

28°F

-2°C

Humidity 63%
Wind Speed SW 13 mph
Barometer 30.27 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 9:55 pm CST
Extended Forecast for

Lynnville IA

  • Tonight

    Tonight: Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West wind 5 to 7 mph.

    High: 46 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 53 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Windy, with a northwest wind 14 to 22 mph, with gusts as high as 34 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Windy.

    High: 32 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. Blustery.

    Low: 15 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. West wind 5 to 7 mph.
Monday Night
Increasing clouds, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 53. Breezy, with a west northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Windy, with a northwest wind 14 to 22 mph, with gusts as high as 34 mph.
Wednesday
Partly sunny, with a high near 32. Windy.
Wednesday Night
Mostly clear, with a low around 15. Blustery.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 26.
Friday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 36. Breezy.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
5:06 pm CST Jan 11, 2026
Forecast Valid:
10pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation