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

12°F

-11°C

Humidity 92%
Wind Speed NE 1 mph
Barometer 30.17 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 9 Feb 6:36 am CST
Extended Forecast for

Sullivan IN

  • Today

    Today: Mostly sunny, with a high near 43. East wind around 5 mph becoming calm in the morning.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. South southwest wind around 7 mph becoming northwest in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. North wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. North wind around 6 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. Calm wind becoming east around 5 mph in the afternoon.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 1am. Cloudy, with a low around 28. East wind 3 to 5 mph.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: A slight chance of rain and snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 43. East wind around 7 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 43. East wind around 5 mph becoming calm in the morning.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 54. South southwest wind around 7 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 27. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 43. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 27. Light and variable wind.
Thursday
Mostly cloudy, with a high near 42. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before 1am. Cloudy, with a low around 28. East wind 3 to 5 mph.
Friday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 43. East wind around 7 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 27. East wind around 7 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A 30 percent chance of rain. Mostly sunny, with a high near 46.
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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:
7:45 am EST Feb 9, 2026
Forecast Valid:
7am EST Feb 9, 2026-6pm EST Feb 15, 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