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.

Fair

41°F

5°C

Humidity 59%
Wind Speed N 8 mph
Barometer 30.12 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 Mar 3:10 am CDT
Extended Forecast for

Dundas IL

  • Overnight

    Overnight: Partly cloudy, with a low around 35. North northeast wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58. East northeast wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. East southeast wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 70. Windy, with a south wind 20 to 30 mph, with gusts as high as 41 mph.

    High: 70 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Patchy blowing snow after 4am. Low around 24. Breezy, with a south wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Patchy blowing snow before 7am. Cloudy, with a high near 28. Breezy, with a west northwest wind around 26 mph, with gusts as high as 37 mph.

    High: 28 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. North northeast wind around 5 mph.
Saturday
Partly sunny, with a high near 58. East northeast wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 48. East southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 70. Windy, with a south wind 20 to 30 mph, with gusts as high as 41 mph.
Sunday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Patchy blowing snow after 4am. Low around 24. Breezy, with a south wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 1pm. Patchy blowing snow before 7am. Cloudy, with a high near 28. Breezy, with a west northwest wind around 26 mph, with gusts as high as 37 mph.
Monday Night
Mostly cloudy, with a low around 13. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dundas IL
 38.84°N 88.09°W (Elev. 466 ft)
Last Update:
2:57 am CDT Mar 14, 2026
Forecast Valid:
3am 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