Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

A Few Clouds

71°F

22°C

Humidity 87%
Wind Speed NW 7 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 67°F (19°C)
Visibility 8.00 mi
Last update 13 Aug 1:54 am CDT
Extended Forecast for

Poplar Grove IL

  • Overnight

    Overnight: Patchy fog.  Otherwise, partly cloudy, with a steady temperature around 66. North northwest wind around 5 mph.

    Low: 66 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a steady temperature around 66. North northwest wind around 5 mph.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. North northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 60. Calm wind.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Poplar Grove IL
 42.36°N 88.82°W
2:06 am CDT Aug 13, 2025
2am CDT Aug 13, 2025-6pm CDT Aug 19, 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