National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central U.S. and Northeast; Heavy Rainfall Across the Gulf Coast

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through Tuesday. This heat is expected to be exceptionally rare and produce numerous high temperature records. Showers and thunderstorms with the potential to produce heavy rainfall and flash flooding is expected across the Gulf Coast. Read More >

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Fair

89°F

32°C

Humidity 47%
Wind Speed NW 5 G 20 mph
Barometer 30.20 in (1022.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 13 Jul 3:54 pm CDT
Extended Forecast for

3 Miles WSW Poplar Grove IL

  • Tonight

    Tonight: Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the morning.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. West northwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 1pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Tuesday
Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
A chance of showers after 1pm. Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A chance of showers after 1pm. Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Poplar Grove IL
 42.36°N 88.88°W
Last Update:
2:46 pm CDT Jul 13, 2026
Forecast Valid:
4pm CDT Jul 13, 2026-6pm CDT Jul 20, 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