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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.11 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 6 Aug 9:35 pm CDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 5am. Partly cloudy, with a low around 70. Light south southwest wind. Chance of precipitation is 30%.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly sunny, with a high near 87. West wind 3 to 6 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 74. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers, with thunderstorms also possible after 5am. Partly cloudy, with a low around 70. Light south southwest wind. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly sunny, with a high near 87. West wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 68. Light and variable wind.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. South wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 74. South southwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. West southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.09°N 87.39°W (Elev. 499 ft)
Last Update:
10:45 pm EDT Aug 6, 2026
Forecast Valid:
10pm EDT Aug 6, 2026-6pm EDT Aug 13, 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