National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather Across the Southeast; Fire Weather Concerns; Record Warmth for the West

Severe thunderstorms will continue today across portions of the Southeast as this system tracks offshore. Meanwhile, dry and breezy conditions will increase fire weather concerns for areas of central Florida today; The threat shifts into portions of the northern Plains on Friday. Record warmth will spread for the southern Plains, Southwest, central Great Basin and interior California next week. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

64°F

18°C

Humidity 34%
Wind Speed W 15 G 20 mph
Barometer 29.83 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 7 May 6:19 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 11am and 1pm. Partly sunny, with a high near 68. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers between 11am and 1pm. Partly sunny, with a high near 68. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 49. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 66.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 45.
Tuesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 77.
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:
5:51 pm CDT May 7, 2026
Forecast Valid:
6pm CDT May 7, 2026-6pm CDT May 14, 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