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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

25°F

-4°C

Humidity 69%
Wind Speed E 14 mph
Barometer 30.28 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 8 Feb 7:21 am CST
Extended Forecast for

Mark IL

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 35. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. South wind 5 to 10 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. South wind around 10 mph becoming west after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Cloudy, with a high near 41.

    High: 41 °F

    Cloudy then
    Chance Snow

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 35. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 45. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. South wind around 10 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A 30 percent chance of snow after noon. Cloudy, with a high near 41.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 30%.
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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:
4:06 am CST Feb 8, 2026
Forecast Valid:
7am CST Feb 8, 2026-6pm CST Feb 14, 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