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

45°F

7°C

Humidity 81%
Wind Speed SE 6 mph
Barometer 29.97 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 7 Jan 4:55 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South southeast wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers after 1pm. Mostly cloudy, with a high near 63. South southeast wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 63 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Steady temperature around 61. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. North northeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Slight Chance
    Rain then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 50. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. West wind around 11 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20. West northwest wind 3 to 6 mph.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. South southeast wind 5 to 7 mph.
Thursday
Scattered showers after 1pm. Mostly cloudy, with a high near 63. South southeast wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday Night
Showers and possibly a thunderstorm. Steady temperature around 61. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 65. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 44. North northeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 50. West wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 25. West wind around 11 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 33. West northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 20. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 41. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of rain. Cloudy, with a high near 43.
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:
6:15 pm EST Jan 7, 2026
Forecast Valid:
6pm EST Jan 7, 2026-6pm EST Jan 14, 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