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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed SE 1 mph
Barometer 30.20 in
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Last update 19 Nov 6:35 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Thursday

    Thursday: Isolated showers after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 56. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 56 °F

    Patchy Fog
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 50. Light east southeast wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain. High near 60. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 1am. Low around 41. North wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 57. North northeast wind around 6 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Light west southwest wind.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Thursday
Isolated showers after 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 56. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 50. Light east southeast wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain. High near 60. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain, mainly before 1am. Low around 41. North wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 57. North northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 35. Calm wind.
Sunday
Mostly sunny, with a high near 59. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39. Light west southwest wind.
Monday
Mostly cloudy, with a high near 60. South wind 3 to 7 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 51.
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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 EST Nov 19, 2025
Forecast Valid:
7pm EST Nov 19, 2025-6pm EST Nov 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation