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

68°F

20°C

Humidity 70%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 12:35 am CDT
Extended Forecast for

Arlington IL

  • Overnight

    Overnight: Clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind around 10 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 63. South wind around 5 mph.
Saturday
Sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 60. South wind around 10 mph.
Sunday
Sunny, with a high near 85. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 62.
Monday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
Monday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 75.
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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:
11:36 pm CDT Oct 3, 2025
Forecast Valid:
12am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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