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

66°F

19°C

Humidity 49%
Wind Speed Vrbl 6 G 16 mph
Barometer 30.32 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 11 Apr 1:35 pm CDT
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. East wind around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southeast wind around 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 8 to 15 mph, with gusts as high as 29 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Isolated showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain and thunderstorms after 8pm. Partly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 81 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 56. Southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 8 to 15 mph, with gusts as high as 29 mph.
Sunday Night
Isolated showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain and thunderstorms after 8pm. Partly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain and thunderstorms. Partly cloudy, with a low around 59.
Friday
A 30 percent chance of rain and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
2:45 pm EDT Apr 11, 2026
Forecast Valid:
3pm EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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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