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

23°F

-5°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.41 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 12 Jan 2:55 am CST
Extended Forecast for

Sullivan IN

  • Today

    Today: Sunny, with a high near 46. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. South southwest wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 54. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 42. West northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 18. North northwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 19. West wind 5 to 8 mph becoming south southwest after midnight.

    Low: 19 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 39. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 46. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 30. South southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 54. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 38. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 42. West northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 18. North northwest wind around 15 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 29. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 19. West wind 5 to 8 mph becoming south southwest after midnight.
Friday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 39. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 20. West southwest wind around 9 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 29.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
4:15 am EST Jan 12, 2026
Forecast Valid:
4am EST Jan 12, 2026-6pm EST Jan 18, 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