Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Fair

74°F

23°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 9 Sep 3:55 am CDT
Extended Forecast for

4 Miles WNW Olney-Noble Airport IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 94 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Low around 71. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm.  High near 82. Light and variable wind becoming north northwest 5 to 7 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Light and variable wind becoming east around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 71. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm. High near 82. Light and variable wind becoming north northwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 63. Light north wind.
Friday
Mostly sunny, with a high near 86. Light and variable wind becoming east around 6 mph.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A chance of showers. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Olney-Noble Airport IL
 38.75°N 88.24°W (Elev. 449 ft)
3:36 am CDT Sep 9, 2026
4am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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