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.

Overcast

25°F

-4°C

Humidity 74%
Wind Speed N 8 mph
Barometer 30.40 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 4 Feb 10:35 am CST
Extended Forecast for

Sullivan IN

  • Today

    Today: Partly sunny, with a high near 27. North wind around 10 mph.

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. North wind 5 to 7 mph becoming calm in the evening.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. South wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. North northwest wind 6 to 8 mph.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32. North northeast wind around 6 mph becoming east in the afternoon.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. South southeast wind 3 to 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. South southeast wind around 7 mph becoming east northeast in the afternoon.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 27. North wind around 10 mph.
Tonight
Mostly cloudy, with a low around 12. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 27. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 22. South wind around 6 mph.
Friday
Partly sunny, with a high near 42. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 19. North northwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 32. North northeast wind around 6 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 21. South southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 39. South southeast wind around 7 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 21. Light northeast wind.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 49.
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:
11:45 am EST Feb 4, 2026
Forecast Valid:
11am EST Feb 4, 2026-6pm EST Feb 10, 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