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

72°F

22°C

Humidity 73%
Wind Speed W 5 mph
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 7:15 pm CDT
Extended Forecast for

4 Miles NNW Flat Rock IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. East southeast wind 3 to 5 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. South southwest wind around 5 mph becoming light and variable in the evening.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. East southeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. Light east wind.
Wednesday
Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. South southwest wind around 5 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Flat Rock IL
 38.95°N 87.71°W (Elev. 564 ft)
Last Update:
6:26 pm CDT Aug 23, 2026
Forecast Valid:
7pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation