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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

50°F

10°C

Humidity 67%
Wind Speed SE 15 G 22 mph
Barometer 29.39 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Mar 8:30 am CDT
Extended Forecast for

Mark IL

Winter Storm Watch March 15, 07:00pm until March 16, 01:00pm
High Wind Warning March 15, 07:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning

  • Today

    Today: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 60. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Windy

  • Tonight

    Tonight: Rain before 10pm, then rain and snow likely between 10pm and midnight, then snow after midnight. Some thunder is also possible. Patchy blowing snow after 11pm. Low around 19. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a steady temperature around 21. Wind chill values as low as zero. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 60. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain before 10pm, then rain and snow likely between 10pm and midnight, then snow after midnight. Some thunder is also possible. Patchy blowing snow after 11pm. Low around 19. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a steady temperature around 21. Wind chill values as low as zero. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 9. Wind chill values as low as -5. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 65.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
Last Update:
7:36 am CDT Mar 15, 2026
Forecast Valid:
9am CDT Mar 15, 2026-6pm CDT Mar 21, 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