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.

Mostly Cloudy

36°F

2°C

Humidity 87%
Wind Speed W 14 G 18 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 31 Dec 9:35 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: A chance of flurries before midnight. Cloudy, with a low around 24. Light and variable wind becoming west 5 to 7 mph after midnight.

    Low: 24 °F

    Chance
    Flurries

  • New Year's Day

    New Year's Day: Cloudy through mid morning, then gradual clearing, with a high near 34. North northeast wind 5 to 8 mph becoming calm in the afternoon.

    High: 34 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Northeast wind 3 to 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Northeast wind around 6 mph.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Light north northwest wind.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Light north wind.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries before midnight. Cloudy, with a low around 24. Light and variable wind becoming west 5 to 7 mph after midnight.
New Year's Day
Cloudy through mid morning, then gradual clearing, with a high near 34. North northeast wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 23. Calm wind.
Friday
Mostly cloudy, with a high near 38. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 25. Northeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 39. Northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 21. Light north northwest wind.
Sunday
Mostly sunny, with a high near 39. Light north wind.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind becoming south southeast around 6 mph after midnight.
Monday
Mostly sunny, with a high near 50. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 49.
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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:
10:45 pm EST Dec 31, 2025
Forecast Valid:
10pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
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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