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.

Overcast

43°F

6°C

Humidity 66%
Wind Speed NW 16 G 21 mph
Barometer 30.08 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Jan 3:15 pm CST
Extended Forecast for

Flat Rock IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow showers between 10pm and midnight. Increasing clouds, with a low around 26. West northwest wind 8 to 18 mph, with gusts as high as 34 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 9 to 18 mph, with gusts as high as 31 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Light and variable wind becoming south southwest 5 to 8 mph 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 33. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. 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: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. West northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tonight
A chance of snow showers between 10pm and midnight. Increasing clouds, with a low around 26. West northwest wind 8 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 36. Northwest wind 9 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 24. Light and variable wind becoming south southwest 5 to 8 mph 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 33. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday
Partly sunny, with a high near 54. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Flat Rock IL
 38.91°N 87.68°W (Elev. 502 ft)
Last Update:
3:17 pm CST Jan 10, 2026
Forecast Valid:
3pm 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