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

39°F

4°C

Humidity 93%
Wind Speed SW 2 mph
Barometer 30.05 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Jan 3:55 am CST
Extended Forecast for

Flat Rock IL

  • Today

    Today: A 50 percent chance of showers, mainly between 10am and 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 44. Light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 44 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of snow showers between 9pm and midnight. Increasing clouds, with a low around 26. West northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. West wind 5 to 8 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A 50 percent chance of showers, mainly between 10am and 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 44. Light and variable wind becoming west northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Tonight
A chance of snow showers between 9pm and midnight. Increasing clouds, with a low around 26. West northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 36. Northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 24. West wind 5 to 8 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 46. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 54. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 41.
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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:
3:21 am CST Jan 10, 2026
Forecast Valid:
4am CST Jan 10, 2026-6pm CST Jan 16, 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