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.

Overcast with Haze

82°F

28°C

Humidity 84%
Wind Speed S 12 mph
Barometer 29.92 in
Dewpoint 77°F (25°C)
Visibility 5.00 mi
Heat Index90°F (32°C)
Last update 26 Jul 1:15 pm CDT
Extended Forecast for

Flat Rock IL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 90. Heat index values as high as 106. Southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 93. Heat index values as high as 107. West southwest wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 17 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Southwest wind around 9 mph, with gusts as high as 16 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. North wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 90. Heat index values as high as 106. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 93. Heat index values as high as 107. West southwest wind 5 to 10 mph becoming south southeast in the morning. Winds could gust as high as 17 mph.
Monday Night
Partly cloudy, with a low around 77. Southwest wind around 9 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 66. North wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 85. North wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A chance of showers. Partly sunny, with a high near 85.
Friday Night
A chance of showers. Mostly cloudy, with a low around 68.
Saturday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Flat Rock IL
 38.91°N 87.68°W (Elev. 502 ft)
Last Update:
1:26 pm CDT Jul 26, 2026
Forecast Valid:
1pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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