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.

Partly Cloudy

23°F

-5°C

Humidity 63%
Wind Speed SE 6 mph
Barometer 30.39 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 7 Feb 6:35 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Calm wind becoming southeast around 6 mph in the evening.

    Low: 19 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 33. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. East southeast wind around 6 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. East wind around 5 mph becoming light and variable in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. South wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. South southwest wind around 7 mph becoming northwest in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32. North northeast wind around 6 mph.

    Low: 32 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 45. North northeast wind around 7 mph.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. East northeast wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 19. Calm wind becoming southeast around 6 mph in the evening.
Sunday
Partly sunny, with a high near 33. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 23. East southeast wind around 6 mph.
Monday
Mostly sunny, with a high near 46. East wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 32. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 55. South southwest wind around 7 mph becoming northwest in the afternoon.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32. North northeast wind around 6 mph.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 45. North northeast wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 30. East northeast wind around 6 mph.
Thursday
A 30 percent chance of rain after 1pm. Cloudy, with a high near 41. East northeast wind around 7 mph.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 42.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
7:45 pm EST Feb 7, 2026
Forecast Valid:
7pm EST Feb 7, 2026-6pm EST Feb 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation