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

32°F

0°C

Humidity 64%
Wind Speed NE 12 mph
Barometer 29.95 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 2 Jan 11:15 am CST
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 35. North northeast wind around 7 mph.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 26. Northeast wind 3 to 5 mph.

    Low: 26 °F

    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 39. Northeast wind around 6 mph.

    High: 39 °F

    Gradual
    Clearing

  • 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. Calm wind.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 35. North northeast wind around 7 mph.
Tonight
Cloudy, with a low around 26. Northeast wind 3 to 5 mph.
Saturday
Cloudy through mid morning, then gradual clearing, 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. Calm wind.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind becoming south around 6 mph after midnight.
Monday
Mostly sunny, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 38. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 57. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
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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:
12:15 pm EST Jan 2, 2026
Forecast Valid:
12pm EST Jan 2, 2026-6pm EST Jan 8, 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