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 78%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 9 Sep 12:35 am CDT
Extended Forecast for

5 Miles W Ste. Marie IL

  • Overnight

    Overnight: Mostly clear, with a low around 72. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 102. South southwest wind 9 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 69. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers.  High near 82. West wind 3 to 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Light north northeast wind.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. East southeast wind 3 to 6 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Light south southeast wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 72. South wind 6 to 8 mph, with gusts as high as 16 mph.
Wednesday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 102. South southwest wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 69. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers. High near 82. West wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Partly cloudy, with a low around 61. Light north northeast wind.
Friday
Mostly sunny, with a high near 85. East southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 64. Light south southeast wind.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Ste. Marie IL
 38.93°N 88.11°W (Elev. 502 ft)
12:36 am CDT Sep 9, 2026
12am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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