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July 24-25, 2025: Severe Weather and Flash Flooding

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

84°F

29°C

Humidity	77%
Wind Speed	Calm
Barometer	30.12 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	29 Jul 10:35 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

Today
High: 91 °F
Mostly Sunny
Tonight
Low: 72 °F
Chance
T-storms
Wednesday
High: 81 °F
T-storms
Likely
Wednesday Night
Low: 63 °F
T-storms
Likely then
Showers
Likely
Thursday
High: 76 °F
Slight Chance
T-storms then
Slight Chance
Showers
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 55 °F
Mostly Clear
Saturday
High: 78 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 91. Heat index values as high as 100. Southeast wind around 5 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. West northwest wind around 5 mph becoming north northeast in the evening.

Wednesday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night

Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Thursday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 76. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 57.

Friday

Sunny, with a high near 76.

Friday Night

Mostly clear, with a low around 55.

Saturday

Sunny, with a high near 78.

Saturday Night

Mostly clear, with a low around 56.

Sunday

Sunny, with a high near 79.