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.

Overcast

50°F

10°C

Humidity 50%
Wind Speed N 8 mph
Barometer 30.28 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 6 Apr 11:35 pm CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. North wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Northeast wind 8 to 10 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. East northeast wind around 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73. South southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 74. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 54. West wind around 6 mph becoming north northeast after midnight.

    Low: 54 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. North wind around 7 mph.
Tuesday
Partly sunny, with a high near 51. Northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 35. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 69. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 51. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 73. South southwest wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind around 6 mph.
Friday
A slight chance of rain, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 74. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 54. West wind around 6 mph becoming north northeast after midnight.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 75. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
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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:
12:46 am EDT Apr 7, 2026
Forecast Valid:
12am EDT Apr 7, 2026-6pm EDT Apr 13, 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