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

18°F

-8°C

Humidity 86%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 15 Dec 10:15 pm CST
Extended Forecast for

Lynnville IA

  • Tonight

    Tonight: Patchy fog before midnight, then patchy fog after 4am. Areas of freezing fog between midnight and 4am. Otherwise, partly cloudy, with a low around 16. Light south wind.

    Low: 16 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 38. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 38 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West northwest wind 3 to 7 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Light and variable wind becoming south southeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 33. South southeast wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 38. Windy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Windy. Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before midnight, then patchy fog after 4am. Areas of freezing fog between midnight and 4am. Otherwise, partly cloudy, with a low around 16. Light south wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 38. Light south wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 23. West northwest wind 3 to 7 mph.
Wednesday
Mostly sunny, with a high near 37. Light and variable wind becoming south southeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 33. South southeast wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 38. Windy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 7. Blustery.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
10:01 pm CST Dec 15, 2025
Forecast Valid:
10pm CST Dec 15, 2025-6pm CST Dec 22, 2025
 
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Additional Resources

Radar & Satellite Image

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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