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

53°F

12°C

Humidity 71%
Wind Speed SW 3 mph
Barometer 29.97 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 Feb 5:15 pm CST
Extended Forecast for

Nebo IL

  • Tonight

    Tonight: Mostly clear, with a low around 40. Light southwest wind.

    Low: 40 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. South wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. South wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. South wind 11 to 16 mph, with gusts as high as 32 mph.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Light southwest wind.
Washington's Birthday
Mostly sunny, with a high near 65. South wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 43. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 64. South wind 6 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 55. South wind 11 to 16 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35.
Friday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 50.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 28.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 46.
Saturday Night
A 20 percent chance of rain. Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nebo IL
 39.43°N 90.8°W (Elev. 554 ft)
Last Update:
5:01 pm CST Feb 15, 2026
Forecast Valid:
5pm CST Feb 15, 2026-6pm CST Feb 22, 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