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

45°F

7°C

Humidity 87%
Wind Speed S 8 mph
Barometer 30.03 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 16 Feb 11:35 pm CST
Extended Forecast for

3 Miles E Flat Rock IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 60. South wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 70 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Southwest wind around 7 mph becoming south southeast after midnight.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 67. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before midnight. Partly cloudy, with a low around 39. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South wind around 6 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 60. South wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 70. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 48. Southwest wind around 7 mph becoming south southeast after midnight.
Thursday
Rain likely after noon. Partly sunny, with a high near 67. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely before midnight. Partly cloudy, with a low around 39. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 47.
Saturday Night
A chance of rain. Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Flat Rock IL
 38.9°N 87.6°W (Elev. 551 ft)
Last Update:
11:37 pm CST Feb 16, 2026
Forecast Valid:
11pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation