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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

79°F

26°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Jul 2:56 pm CDT
Extended Forecast for

Hollowayville IL

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 11:00am until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 86.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hollowayville IL
 41.37°N 89.32°W (Elev. 650 ft)
Last Update:
2:01 pm CDT Jul 25, 2026
Forecast Valid:
3pm CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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