Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

80°F

27°C

Humidity 63%
Wind Speed NW 7 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Aug 6:15 pm CDT
Extended Forecast for

Nebo IL

  • Tonight

    Tonight: A slight chance of showers between 8pm and 10pm.  Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming northwest around 5 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 10pm. Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 82. Calm wind becoming northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 60. Calm wind.
Monday
Mostly sunny, with a high near 82. Calm wind.
Monday Night
Partly cloudy, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Nebo IL
 39.45°N 90.8°W (Elev. 545 ft)
5:56 pm CDT Aug 22, 2026
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
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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