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

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fair

54°F

12°C

Humidity 67%
Wind Speed S 7 mph
Barometer 30.04 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 19 Mar 8:55 pm CDT
Extended Forecast for

Flat Rock IL

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming north northeast after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. South southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. North wind around 16 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. South wind 6 to 9 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 77. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming north northeast after midnight.
Saturday
Sunny, with a high near 74. Light and variable wind becoming south southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 55. South southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 39. North wind around 16 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 73.
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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:
7:46 pm CDT Mar 19, 2026
Forecast Valid:
9pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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