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

Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Fair

78°F

26°C

Humidity 87%
Wind Speed S 5 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 8:52 pm CDT
Extended Forecast for

Big Rock IL

  • Tonight

    Tonight: Isolated showers before 10pm. Partly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Heat index values as high as 101. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. South southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers before 10pm. Partly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 90. Heat index values as high as 101. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 72. South southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Sunny, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 73. South southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 63.
Labor Day
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Rock IL
 41.76°N 88.53°W
Last Update:
7:21 pm CDT Aug 31, 2026
Forecast Valid:
9pm CDT Aug 31, 2026-6pm CDT Sep 7, 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