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

36°F

2°C

Humidity 60%
Wind Speed NE 10 mph
Barometer 30.40 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Mar 10:55 pm CDT
Extended Forecast for

Sullivan IN

  • Overnight

    Overnight: Increasing clouds, with a low around 31. Northeast wind 3 to 6 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Southeast wind 5 to 7 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 58. South wind around 8 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of rain before 8am, then a slight chance of rain after 2pm. Mostly sunny, with a high near 82. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 40. Southwest wind 14 to 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 49. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 49 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A 10 percent chance of rain before 8pm. Mostly clear, with a low around 29. North wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Overnight
Increasing clouds, with a low around 31. Northeast wind 3 to 6 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Southeast wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 69. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 58. South wind around 8 mph.
Thursday
A slight chance of rain before 8am, then a slight chance of rain after 2pm. Mostly sunny, with a high near 82. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 40. Southwest wind 14 to 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Friday
Rain, mainly before 8am. High near 49. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Friday Night
A 10 percent chance of rain before 8pm. Mostly clear, with a low around 29. North wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 54. North wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 65.
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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:
11:45 pm EDT Mar 23, 2026
Forecast Valid:
12am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation