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.

Fog/Mist

50°F

10°C

Humidity 94%
Wind Speed S 14 mph
Barometer 29.89 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 17 Feb 2:55 pm CST
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 57. South wind around 10 mph, with gusts as high as 21 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers after 2am. Cloudy, with a low around 52. South southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 71 °F

    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 50. South wind around 6 mph.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 67. South southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 39. West southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 50. West wind around 14 mph, with gusts as high as 25 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. West wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 45. North northwest wind 5 to 8 mph.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 57. South wind around 10 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers before 8pm, then a chance of showers after 2am. Cloudy, with a low around 52. South southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 10 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 50. South wind around 6 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 67. South southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 39. West southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 50. West wind around 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 30. West wind around 6 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 45. North northwest wind 5 to 8 mph.
Saturday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 27. North northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A slight chance of rain and snow showers. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Sunny, with a high near 35.
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:
3:47 pm EST Feb 17, 2026
Forecast Valid:
4pm EST Feb 17, 2026-6pm EST Feb 23, 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