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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Partly Cloudy

80°F

27°C

Humidity 74%
Wind Speed NE 6 mph
Barometer 30.13 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Jul 10:50 am CDT
Extended Forecast for

Calhoun IL

  • Today

    Today: Mostly sunny, with a high near 85. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. North northeast wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. North northeast wind 7 to 11 mph, with gusts as high as 16 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North northeast wind 3 to 8 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. East northeast wind 5 to 8 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Light north wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 67. North northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 86. North northeast wind 7 to 11 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 68. North northeast wind 3 to 8 mph.
Tuesday
Sunny, with a high near 89. East northeast wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 70. Light north wind.
Wednesday
Sunny, with a high near 91. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calhoun IL
 38.66°N 88.04°W (Elev. 509 ft)
Last Update:
10:36 am CDT Jul 12, 2026
Forecast Valid:
11am CDT Jul 12, 2026-6pm CDT Jul 18, 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