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

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

76°F

24°C

Humidity 49%
Wind Speed NE 7 mph
Barometer 30.26 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Aug 1:35 pm CDT
Extended Forecast for

3 Miles SE Naplate IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. East northeast wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. East wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 52. East wind around 5 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Mostly clear, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Naplate IL
 41.31°N 88.82°W
Last Update:
12:27 pm CDT Aug 31, 2025
Forecast Valid:
2pm CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation