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.

Overcast with Haze

54°F

12°C

Humidity 82%
Wind Speed N 9 mph
Barometer 30.33 in
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Wind Chill51°F (11°C)
Last update 10 Apr 11:55 pm CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Mostly clear, with a low around 44. Northeast wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Northeast wind around 6 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. East southeast wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 8 to 15 mph, with gusts as high as 29 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday

    Monday: Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms after 8am. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Rain Likely
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 85. South southwest wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. South southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 71. Northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 56. East southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 8 to 15 mph, with gusts as high as 29 mph.
Sunday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms after 8am. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of rain and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 85. South southwest wind 10 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
A 40 percent chance of rain and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. South southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 83. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 65.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain and thunderstorms. Mostly sunny, with a high near 82.
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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:
12:45 am EDT Apr 11, 2026
Forecast Valid:
1am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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