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

Olney-Noble Airport (KOLY)

Lat: 38.72°NLon: 88.18°WElev: 479ft.

Partly Cloudy

40°F

4°C

Humidity 67%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Mar 12:30 am CDT
Extended Forecast for

Calhoun IL

  • Overnight

    Overnight: Mostly clear, with a low around 35. North northwest wind around 5 mph becoming northeast.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 60. East northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 18 to 28 mph, with gusts as high as 38 mph.

    High: 70 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 26. Breezy, with a south wind 22 to 25 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 34 mph.

    High: 30 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 30 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. North northwest wind around 5 mph becoming northeast.
Saturday
Mostly sunny, with a high near 60. East northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Increasing clouds, with a low around 50. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 18 to 28 mph, with gusts as high as 38 mph.
Sunday Night
Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 26. Breezy, with a south wind 22 to 25 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 30. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calhoun IL
 38.66°N 88.04°W (Elev. 509 ft)
Last Update:
12:36 am CDT Mar 14, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation