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

Hazardous Weather Conditions

Current conditions at

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Mostly Cloudy

81°F

27°C

Humidity 59%
Wind Speed W 8 mph
Barometer 30.02 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jun 11:15 am CDT
Extended Forecast for

Calhoun IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Sunny, with a high near 85. West northwest wind around 6 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 84. South wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 68. South southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    T-storms then
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 79. North northwest wind around 11 mph, with gusts as high as 17 mph.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. North northeast wind 3 to 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. West northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 84. South wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 68. South southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 79. North northwest wind around 11 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 61. North wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 81. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calhoun IL
 38.66°N 88.07°W (Elev. 476 ft)
Last Update:
8:36 am CDT Jun 20, 2026
Forecast Valid:
11am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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