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

46°F

8°C

Humidity 70%
Wind Speed S 13 mph
Barometer 29.79 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Mar 1:35 am CDT
Extended Forecast for

3 Miles SSW Sublette IL

  • Overnight

    Overnight: Clear, with a low around 44. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. South wind 10 to 15 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 39. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 39 °F

    T-storms

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Clear, with a low around 44. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 72. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. South wind 10 to 15 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 39. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 38. Breezy.
Friday
Partly sunny, with a high near 49. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 47.
Saturday Night
A chance of showers. Cloudy, with a low around 36.
Sunday
Rain and snow showers likely. Cloudy, with a high near 50. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Sublette IL
 41.61°N 89.24°W
Last Update:
1:21 am CDT Mar 9, 2026
Forecast Valid:
1am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation