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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

40°F

4°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.95 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 13 Jan 2:35 am CST
Extended Forecast for

Lynnville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 36. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 56. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 56 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32. West wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 17 to 22 mph, with gusts as high as 34 mph.

    High: 35 °F⇓

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14. North northwest wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 31. North northwest wind 6 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 39. Breezy.

    High: 39 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Increasing clouds, with a high near 56. West wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 32. West wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 17 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 14. North northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 31. North northwest wind 6 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 25. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.
Friday
Mostly cloudy, with a high near 39. Breezy.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IL
 39.69°N 90.36°W (Elev. 604 ft)
Last Update:
2:11 am CST Jan 13, 2026
Forecast Valid:
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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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