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.

Light Rain Haze

59°F

15°C

Humidity 68%
Wind Speed N 2 mph
Barometer 30.18 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 5 Oct 7:15 pm CDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Clear, with a low around 46. Light east wind.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Light south southeast wind.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. West southwest wind 3 to 8 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. East wind 3 to 6 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Light east wind.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 46. Light east wind.
Tuesday
Sunny, with a high near 76. Calm wind becoming south southeast 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 49. Light south southeast wind.
Wednesday
Sunny, with a high near 85. West southwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. East wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 49. Light east wind.
Saturday
Sunny, with a high near 81. South southeast wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 55.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Columbus Day
A 20 percent chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
8:15 pm EDT Oct 5, 2026
Forecast Valid:
8pm EDT Oct 5, 2026-6pm EDT Oct 12, 2026
 
Forecast Discussion
 
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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