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

39°F

4°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 30.27 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Apr 12:35 am CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Clear, with a low around 37. West southwest wind around 5 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 60. West southwest wind 6 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 35. North wind around 7 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. East northeast wind around 8 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. East southeast wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 55. South wind around 6 mph.

    Low: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Clear, with a low around 37. West southwest wind around 5 mph.
Monday
Sunny, with a high near 60. West southwest wind 6 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 35. North wind around 7 mph.
Tuesday
Partly sunny, with a high near 51. East northeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 36. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 69. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 51. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 70. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 55. 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. South southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
Saturday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 81.
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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:
1:15 am EDT Apr 6, 2026
Forecast Valid:
1am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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