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.

Light Rain

68°F

20°C

Humidity 94%
Wind Speed SW 15 mph
Barometer 29.91 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Apr 4:55 pm CDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 60. West northwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 37. Northwest wind 5 to 8 mph.

    Low: 37 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 63. South southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 60. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60. West northwest wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 37. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 66. East southeast wind 5 to 8 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
5:46 pm EDT Apr 15, 2026
Forecast Valid:
6pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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