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

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fair with Haze

88°F

31°C

Humidity 75%
Wind Speed Vrbl 5 mph
Barometer 30.04 in
Dewpoint 79°F (26°C)
Visibility 6.00 mi
Heat Index103°F (39°C)
Last update 14 Aug 5:35 pm CDT
Extended Forecast for

6 Miles W Flat Rock IL

Heat Advisory August 14, 05:42pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 05:42pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 96. Heat index values as high as 109. South southeast wind 5 to 8 mph becoming west southwest in the morning.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds and hot, with a high near 95. Heat index values as high as 106. West wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northwest wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 87. North wind 5 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. East wind 3 to 5 mph.
Saturday
Mostly sunny and hot, with a high near 96. Heat index values as high as 109. South southeast wind 5 to 8 mph becoming west southwest in the morning.
Saturday Night
Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.
Sunday
Increasing clouds and hot, with a high near 95. Heat index values as high as 106. West wind 6 to 10 mph, with gusts as high as 16 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northwest wind 3 to 7 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 87. North wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Flat Rock IL
 38.89°N 87.8°W (Elev. 486 ft)
Last Update:
1:41 pm CDT Aug 14, 2026
Forecast Valid:
5pm CDT Aug 14, 2026-6pm CDT Aug 21, 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