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 and Breezy

45°F

7°C

Humidity 48%
Wind Speed W 21 G 28 mph
Barometer 29.93 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Mar 5:55 pm CDT
Extended Forecast for

Princeton IL

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

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 30 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: A chance of snow between 9am and 11am. Mostly cloudy, with a high near 44. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 40. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 10am. High near 64. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow. Patchy blowing snow after midnight. Low around 19. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Rain/Snow and
    Windy then
    Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 23. Windy. New snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
A chance of snow between 9am and 11am. Mostly cloudy, with a high near 44. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 40. East wind around 15 mph, with gusts as high as 25 mph.
Sunday
Rain likely and possibly a thunderstorm, then rain after 10am. High near 64. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 10pm, then snow. Patchy blowing snow after midnight. Low around 19. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
A 50 percent chance of snow before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 23. Windy. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, with a low around 7. Blustery.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
4:57 pm CDT Mar 13, 2026
Forecast Valid:
6pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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