Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

71°F

22°C

Humidity 95%
Wind Speed SW 5 mph
Barometer 29.80 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 4:15 am CDT
Extended Forecast for

3 Miles S Princeton IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 78. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 63. West wind 5 to 10 mph.

    Low: 63 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 84. Northwest wind 5 to 10 mph.

    High: 84 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 63. West wind 5 to 10 mph.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 84. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Princeton IL
 41.33°N 89.46°W (Elev. 682 ft)
2:46 am CDT Jun 18, 2025
4am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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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