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

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed S 3 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Aug 7:14 pm CDT
Extended Forecast for

Pecatonica IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am.  Mostly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm  after midnight.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 10am.  Partly sunny, with a high near 89. Heat index values as high as 97. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. Heat index values as high as 99. Southeast wind 5 to 10 mph.

    High: 89 °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. East wind 5 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 1pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

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

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 89. Heat index values as high as 97. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 99. Southeast 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. East wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers before 1pm. Partly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Pecatonica IL
 42.31°N 89.35°W
6:56 pm CDT Aug 15, 2025
7pm CDT Aug 15, 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