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

81°F

27°C

Humidity 54%
Wind Speed S 17 mph
Barometer 29.76 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Apr 6:55 pm CDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 55. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Isolated
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then scattered showers. Temperature falling to around 51 by 2pm. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F⇓

    Showers then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 36. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 63. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Northwest wind 5 to 8 mph becoming northeast after midnight.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Light and variable wind becoming east southeast around 6 mph in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind 3 to 7 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Low around 55. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 11am, then scattered showers. Temperature falling to around 51 by 2pm. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 63. West wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 37. Northwest wind 5 to 8 mph becoming northeast after midnight.
Monday
Sunny, with a high near 62. Light and variable wind becoming east southeast around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 47. Southeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind around 8 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 79. West southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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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:
7:45 pm EDT Apr 17, 2026
Forecast Valid:
8pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation