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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

58°F

14°C

Humidity 71%
Wind Speed SE 7 mph
Barometer 29.77 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 Mar 2:15 am CDT
Extended Forecast for

Arlington IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 77. Southwest wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before midnight, then a slight chance of rain between midnight and 2am. Low around 30. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Blustery.
    Rain then
    Slight Chance
    Rain

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 54. South wind around 5 mph.
Thursday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 77. Southwest wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
Rain and possibly a thunderstorm before midnight, then a slight chance of rain between midnight and 2am. Low around 30. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 25.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 74.
Monday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Wednesday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 72. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington IL
 41.48°N 89.25°W (Elev. 774 ft)
Last Update:
1:26 am CDT Mar 26, 2026
Forecast Valid:
2am CDT Mar 26, 2026-6pm CDT Apr 1, 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