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

90°F

32°C

Humidity 38%
Wind Speed S 8 mph
Barometer 30.15 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Oct 3:55 pm CDT
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a steady temperature around 85. South wind around 6 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light south wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Light south southeast wind becoming south 5 to 10 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 86. South wind 3 to 7 mph.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °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

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a steady temperature around 85. South wind around 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. Light south wind.
Saturday
Sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Light south southeast wind becoming south 5 to 10 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 86. South wind 3 to 7 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. 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. Sunny, with a high near 73.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
4:45 pm EDT Oct 3, 2025
Forecast Valid:
5pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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