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

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Mostly Cloudy

52°F

11°C

Humidity 50%
Wind Speed N 8 mph
Barometer 30.22 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 19 Apr 10:15 pm CDT
Extended Forecast for

3 Miles NNW Flat Rock IL

Frost Advisory April 20, 01:00am until April 20, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northeast wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 61. Northeast wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light east southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. West southwest wind around 10 mph, with gusts as high as 17 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 8 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Northeast wind 5 to 8 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 61. Northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 44. Light east southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 78. West southwest wind around 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 8 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Flat Rock IL
 38.95°N 87.68°W (Elev. 509 ft)
Last Update:
9:36 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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