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.

Overcast

37°F

3°C

Humidity 67%
Wind Speed E 6 mph
Barometer 30.15 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 3 Mar 2:40 am CST
Extended Forecast for

Mark IL

  • Overnight

    Overnight: Cloudy, with a low around 35. East wind around 5 mph.

    Low: 35 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 48. East wind around 5 mph becoming calm.

    High: 48 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 35. East wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 51. East wind 5 to 10 mph.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after midnight. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, then rain and possibly a thunderstorm after midnight. Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    Rain Likely
    then Rain

Detailed Forecast

Overnight
Cloudy, with a low around 35. East wind around 5 mph.
Tuesday
Cloudy, with a high near 48. East wind around 5 mph becoming calm.
Tuesday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 35. East wind around 5 mph.
Wednesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 51. East wind 5 to 10 mph.
Wednesday Night
Rain, mainly after midnight. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 44.
Friday
Rain. High near 71. Chance of precipitation is 90%.
Friday Night
Rain likely, then rain and possibly a thunderstorm after midnight. Low around 54. Chance of precipitation is 90%.
Saturday
A 30 percent chance of rain before noon. Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
Last Update:
2:11 am CST Mar 3, 2026
Forecast Valid:
2am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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