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

45°F

7°C

Humidity 81%
Wind Speed SE 12 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Jan 5:39 pm CST
Extended Forecast for

Arlington IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 10 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after noon. High near 55. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 42. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Rain and
    Breezy then
    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 46. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday Night

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

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. South wind around 10 mph.
Thursday
Rain, mainly after noon. High near 55. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before midnight. Low around 42. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 46. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
Saturday
Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 36. 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.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 20.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington IL
 41.48°N 89.25°W (Elev. 774 ft)
Last Update:
3:16 pm CST Jan 7, 2026
Forecast Valid:
5pm CST Jan 7, 2026-6pm CST Jan 14, 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