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

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

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fair

63°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 4:35 am CDT
Extended Forecast for

Nashville IL

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear during the evening, then mostly cloudy overnight, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny during the morning, then partly sunny during the afternoon, with a high near 82. Light and variable 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 84. Light southeast wind.

    High: 84 °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 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the morning.
Tonight
Clear during the evening, then mostly cloudy overnight, with a low around 59. Light and variable wind.
Monday
Sunny during the morning, then partly sunny during the afternoon, with a high near 82. Light and variable wind.
Monday Night
Partly cloudy, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 84. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 86.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 65.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nashville IL
 38.35°N 89.37°W (Elev. 499 ft)
Last Update:
1:26 am CDT Aug 23, 2026
Forecast Valid:
4am CDT Aug 23, 2026-6pm CDT Aug 29, 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