Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

75°F

24°C

Humidity 48%
Wind Speed E 3 mph
Barometer 30.25 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Aug 2:35 pm CDT
Extended Forecast for

3 Miles W Lostant IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. East northeast wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. East wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm  after midnight.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 53. East wind around 5 mph.
Labor Day
Sunny, with a high near 79. East wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 53. East northeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 82. Calm wind.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Lostant IL
 41.14°N 89.13°W
2:41 pm CDT Aug 31, 2025
2pm CDT Aug 31, 2025-6pm CDT Sep 6, 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