Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed S 3 mph
Barometer 30.04 in (1015.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 16 Aug 9:51 am CDT
Extended Forecast for

Hainesville IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Hainesville IL
 42.35°N 88.08°W
9:41 am CDT Aug 16, 2025
10am CDT Aug 16, 2025-6pm CDT Aug 22, 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