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

9°F

-13°C

Humidity 85%
Wind Speed W 5 mph
Barometer 30.39 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 1 Feb 2:20 am CST
Extended Forecast for

Lostant IL

  • Overnight

    Overnight: Mostly clear, with a low around 7. Wind chill values as low as -1. Southwest wind around 5 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 25. Wind chill values as low as -2. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 25 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 30. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. West northwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 7. Wind chill values as low as -1. Southwest wind around 5 mph.
Sunday
A 20 percent chance of snow after 3pm. Increasing clouds, with a high near 25. Wind chill values as low as -2. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a steady temperature around 21. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 30. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 17. West northwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 35.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lostant IL
 41.14°N 89.07°W
Last Update:
1:46 am CST Feb 1, 2026
Forecast Valid:
2am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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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