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.

A Few Clouds

52°F

11°C

Humidity 67%
Wind Speed E 3 mph
Barometer 29.88 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 26 Feb 1:55 pm CST
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 64. South southwest wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South southwest wind 6 to 9 mph becoming west northwest after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North wind around 7 mph becoming south southeast in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 28. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 41. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain and snow likely. Cloudy, with a low around 27. Northeast wind around 9 mph. Chance of precipitation is 70%.

    Low: 27 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 1pm. Mostly cloudy, with a high near 40. East northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. Calm wind.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 33. Light and variable wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 64. South southwest wind 5 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 38. South southwest wind 6 to 9 mph becoming west northwest after midnight.
Saturday
Mostly sunny, with a high near 59. North wind around 7 mph becoming south southeast in the afternoon.
Saturday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 28. North wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 41. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Rain and snow likely. Cloudy, with a low around 27. Northeast wind around 9 mph. Chance of precipitation is 70%.
Monday
A chance of rain and snow before 1pm. Mostly cloudy, with a high near 40. East northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 28. East wind around 6 mph.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 46.
Tuesday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 55.
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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:
2:45 pm EST Feb 26, 2026
Forecast Valid:
3pm EST Feb 26, 2026-6pm EST Mar 4, 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