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 >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

66°F

19°C

Humidity 88%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Jul 1:56 am CDT
Extended Forecast for

Oglesby IL

  • Overnight

    Overnight: Partly cloudy early, then becoming cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Becoming
    Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers before 7am.  Mostly cloudy, with a high near 80. South wind around 5 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 90. Heat index values as high as 101. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy early, then becoming cloudy, with a low around 63. South wind around 5 mph.
Saturday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 80. South wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 72. South wind around 5 mph, with gusts as high as 10 mph.
Sunday
Partly sunny, with a high near 90. Heat index values as high as 101. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Oglesby IL
 41.29°N 89.03°W
1:21 am CDT Jul 25, 2026
2am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database