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

Hazardous Weather Conditions

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

A Few Clouds

92°F

33°C

Humidity 54%
Wind Speed S 10 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 2 Jul 3:52 pm CDT
Extended Forecast for

Big Rock IL

Extreme Heat Warning July 2, 04:48pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 04:48pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Isolated
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Independence Day

    Independence Day: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 73. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Independence Day
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southwest wind 5 to 10 mph becoming east southeast after midnight. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A chance of showers. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Rock IL
 41.76°N 88.53°W
Last Update:
3:17 pm CDT Jul 2, 2026
Forecast Valid:
4pm CDT Jul 2, 2026-6pm CDT Jul 9, 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