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.

Fog

59°F

15°C

Humidity 100%
Wind Speed SE 8 mph
Barometer 29.97 in
Dewpoint 59°F (15°C)
Visibility 0.25 mi
Last update 25 Dec 7:55 pm CST
Extended Forecast for

Sullivan IN

Dense Fog Advisory until December 26, 04:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 26, 04:00am

    NOW until 4:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 56 °F⇑

    Areas Drizzle
    and Dense Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 55. South wind around 8 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 69. South wind 8 to 14 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.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers. Low around 23. West southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%.

    Low: 23 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 31. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Tonight
Areas of drizzle. Widespread dense fog, mainly between 10pm and 11pm. Otherwise, cloudy, with a temperature rising to around 60 by 5am. East southeast wind 6 to 8 mph becoming south after midnight.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 62. Calm wind becoming southeast 5 to 7 mph in the morning.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 55. South wind around 8 mph.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 69. South wind 8 to 14 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.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers. Low around 23. West southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 31. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 30. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 22.
New Year's Day
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
9:15 pm EST Dec 25, 2025
Forecast Valid:
9pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation