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.

Overcast

22°F

-6°C

Humidity 75%
Wind Speed NW 17 G 24 mph
Barometer 30.37 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 3:35 am CST
Extended Forecast for

Lynnville IA

  • Overnight

    Overnight: A chance of flurries before 4am. Mostly cloudy, with a low around 20. Wind chill values as low as 5. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    Low: 20 °F

    Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Wind chill values as low as 10. Northwest wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 28. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind 5 to 7 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. Windy.

    High: 33 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries before 4am. Mostly cloudy, with a low around 20. Wind chill values as low as 5. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 33. Wind chill values as low as 10. Northwest wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 28. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 46. West wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery.
Wednesday
Partly sunny, with a high near 33. Windy.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
3:16 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation