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.

Light Rain

41°F

5°C

Humidity 99%
Wind Speed E 7 mph
Barometer 29.92 in
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 2 Apr 4:15 am CDT
Extended Forecast for

Mark IL

Wind Advisory April 2, 01:00pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 43. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 71. Windy, with an east wind 15 to 20 mph becoming south 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and midnight. Mostly cloudy, with a low around 47. Breezy, with a south wind 20 to 25 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 69. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 54. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 43. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 71. Windy, with an east wind 15 to 20 mph becoming south 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and midnight. Mostly cloudy, with a low around 47. Breezy, with a south wind 20 to 25 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 69. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 54. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. Breezy.
Saturday Night
Mostly cloudy, with a low around 35. Breezy.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 65. Breezy.
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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:
2:57 am CDT Apr 2, 2026
Forecast Valid:
4am CDT Apr 2, 2026-6pm CDT Apr 8, 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