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

70°F

21°C

Humidity 100%
Wind Speed SE 2 mph
Barometer 30.01 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 25 Jun 10:55 pm CDT
Extended Forecast for

Flat Rock IL

Flood Watch until June 27, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 27, 01:00pm

    NOW until 1:00pm Sat

    Flood Watch

  • Tonight

    Low: 68 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 79. East southeast wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 5 to 7 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. North wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South wind 5 to 7 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southeast wind around 7 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 68. Light east wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 79. East southeast wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind 5 to 7 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. North wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 90. South wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 73. South southeast wind around 7 mph.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Flat Rock IL
 38.91°N 87.68°W (Elev. 502 ft)
Last Update:
10:36 pm CDT Jun 25, 2026
Forecast Valid:
11pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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