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.

Mostly Cloudy

68°F

20°C

Humidity 83%
Wind Speed S 17 G 23 mph
Barometer 29.85 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 8:15 pm CDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 63. South southwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 78. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, then rain and possibly a thunderstorm after 8am. High near 69. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain and thunderstorms before 8pm, then a slight chance of rain between 8pm and 2am. Mostly cloudy, with a low around 40. West northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West northwest wind 3 to 6 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 63. South southwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 78. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm, then rain and possibly a thunderstorm after 8am. High near 69. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A slight chance of rain and thunderstorms before 8pm, then a slight chance of rain between 8pm and 2am. Mostly cloudy, with a low around 40. West northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 53. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 37. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 59. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 52. North northeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
9:15 pm EDT Apr 2, 2026
Forecast Valid:
9pm EDT Apr 2, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation