National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fair

73°F

23°C

Humidity 69%
Wind Speed SW 20 G 29 mph
Barometer 29.87 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 12:55 am CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Partly cloudy, with a low around 68. South southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then scattered showers between 10am and 11am, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 77. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 8pm. Low around 58. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 76. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 76 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 8pm. Low around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Rain then
    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. South southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers and thunderstorms before 10am, then scattered showers between 10am and 11am, then scattered showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 77. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers, mainly before 8pm. Low around 58. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64. South wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Rain and possibly a thunderstorm. High near 76. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday Night
Rain, mainly before 8pm. Low around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
A 10 percent chance of rain before 8am. Mostly sunny, with a high near 58. West northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 69.
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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:
2:15 am EDT Apr 15, 2026
Forecast Valid:
2am EDT Apr 15, 2026-6pm EDT Apr 21, 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