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.

Overcast

55°F

13°C

Humidity 78%
Wind Speed S 13 mph
Barometer 29.55 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Feb 12:35 am CST
Extended Forecast for

2 Miles S Chambersburg IL

  • Overnight

    Overnight: A 20 percent chance of rain before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 68. West wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Southeast wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 66. Southeast wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 66 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 68. West wind 7 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 45. Southeast wind 3 to 6 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 66. Southeast wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 25.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 20.
Sunday
Sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Chambersburg IL
 39.78°N 90.67°W (Elev. 499 ft)
Last Update:
12:51 am CST Feb 18, 2026
Forecast Valid:
12am CST Feb 18, 2026-6pm CST Feb 24, 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