Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

72°F

22°C

Humidity 78%
Wind Speed NW 7 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jun 7:43 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe.  Partly cloudy, with a low around 61. West wind around 5 mph.  Chance of precipitation is 30%.

    Low: 61 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 80. West wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 4am.  Mostly cloudy, with a low around 61. Light and variable wind becoming east 5 to 10 mph after midnight.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 76. East wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe. Partly cloudy, with a low around 61. West wind around 5 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 80. West wind around 5 mph.
Thursday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 61. Light and variable wind becoming east 5 to 10 mph after midnight.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
7:16 pm CDT Jun 24, 2026
8pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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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