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

29°F

-2°C

Humidity 81%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 5:55 am CST
Extended Forecast for

Lynnville IA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 47. West southwest wind 6 to 8 mph.

    High: 47 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Windy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.

    Low: 25 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. Windy, with a north northwest wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 31 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 47. West southwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Windy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Partly sunny, with a high near 31. Windy, with a north northwest wind 18 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 13. Blustery.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 30.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 12. Blustery.
Saturday
Partly sunny, with a high near 17. Blustery.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
3:11 am CST Jan 12, 2026
Forecast Valid:
6am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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