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.

Light Rain Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed SE 2 mph
Barometer 30.02 in
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 14 Feb 2:55 pm CST
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Cloudy, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 7pm. Low around 43. East wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 54. East wind around 8 mph.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 58 °F

    Areas Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. West southwest wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Cloudy, with a high near 53. South wind around 6 mph.
Tonight
Rain, mainly after 7pm. Low around 43. East wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 54. East wind around 8 mph.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 61. South wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 69. West southwest wind 15 to 17 mph, with gusts as high as 31 mph.
Wednesday Night
A 30 percent chance of rain, mainly before 1am. Partly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 66.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
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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:
4:16 pm EST Feb 14, 2026
Forecast Valid:
4pm EST Feb 14, 2026-6pm EST Feb 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation