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

39°F

4°C

Humidity 87%
Wind Speed S 10 G 16 mph
Barometer 29.85 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Jan 1:59 am CST
Extended Forecast for

Arlington ILSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 39. South wind around 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 55. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Mostly Cloudy
    then Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and thunderstorms before 3am, then a slight chance of rain between 3am and 4am. Low around 40. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Breezy.

    High: 29 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 39. South wind around 10 mph.
Thursday
Rain, mainly after 1pm. High near 55. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and thunderstorms before 3am, then a slight chance of rain between 3am and 4am. Low around 40. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 46. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. Breezy.
Sunday
Partly sunny, with a high near 29. Breezy.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington ILSimilar City Names
 41.48°N 89.25°W (Elev. 774 ft)
Last Update:
2:11 am CST Jan 8, 2026
Forecast Valid:
2am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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