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

66°F

19°C

Humidity 88%
Wind Speed Vrbl 2 mph
Barometer 30.17 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 4 Oct 12:35 am CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Light south southeast wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South southeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. South wind 3 to 6 mph.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57. Light south southeast wind.
Sunday
Sunny, with a high near 85. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 63. South southeast wind 3 to 6 mph.
Monday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. South wind 3 to 6 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A 10 percent chance of showers before 8am. Sunny, with a high near 73. Northeast wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.09°N 87.39°W (Elev. 499 ft)
Last Update:
1:45 am EDT Oct 4, 2025
Forecast Valid:
1am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
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