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

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed NW 2 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Last update 7 Aug 2:55 am CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Scattered thunderstorms before 8pm. Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 87. West southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers after 2am. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 20%.

    Low: 69 °F

    Partly Cloudy
    then Isolated
    Showers

  • Sunday

    Sunday: Isolated showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Isolated thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. Calm wind.
Friday
Scattered showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered thunderstorms before 8pm. Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 87. West southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday Night
Isolated showers after 2am. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 20%.
Sunday
Isolated showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Isolated thunderstorms before 8pm. Partly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 10%.
Monday
Sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 74. South southwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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 and thunderstorms. Partly sunny, 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:
3:51 am EDT Aug 7, 2026
Forecast Valid:
4am EDT Aug 7, 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