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

30°F

-1°C

Humidity 86%
Wind Speed W 3 mph
Barometer 30.29 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 11 Feb 9:15 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Light south wind.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 53. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 40. East southeast wind around 6 mph.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 53. Northeast wind 6 to 8 mph.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. North wind 3 to 5 mph.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Calm wind.
Thursday
Mostly cloudy, with a high near 47. Calm wind.
Thursday Night
Partly cloudy, with a low around 26. Calm wind.
Friday
Sunny, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 30. Light south wind.
Saturday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 53. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 40. East southeast wind around 6 mph.
Sunday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 53. Northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 32. North wind 3 to 5 mph.
Washington's Birthday
Partly sunny, with a high near 57. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 65.
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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:
10:15 pm EST Feb 11, 2026
Forecast Valid:
10pm EST Feb 11, 2026-6pm EST Feb 18, 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