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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

19°F

-7°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.18 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 24 Feb 2:15 am CST
Extended Forecast for

Triumph IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. South wind 5 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of light rain with a slight chance of showers after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 43 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Light Rain

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. South wind 5 to 10 mph.
Tuesday
A 30 percent chance of light rain with a slight chance of showers after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Mostly sunny, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
A chance of snow. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Triumph IL
 41.49°N 89.02°W
Last Update:
2:01 am CST Feb 24, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation