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

50°F

10°C

Humidity 94%
Wind Speed SE 2 mph
Barometer 29.69 in
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 18 Feb 9:35 pm CST
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Scattered sprinkles between 2am and 4am, then isolated showers after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a steady temperature around 53. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Mostly Cloudy
    then Isolated
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Areas of fog before 9am. High near 66. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Scattered
    Showers and
    Areas Fog
    then Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 49. West wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. West northwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West northwest wind 5 to 8 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 1am, then a slight chance of snow. Mostly clear, with a low around 24. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Partly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered sprinkles between 2am and 4am, then isolated showers after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a steady temperature around 53. South wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Areas of fog before 9am. High near 66. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 49. West wind 13 to 16 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 29. West northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 44. West northwest wind 5 to 8 mph.
Saturday Night
A slight chance of rain before 1am, then a slight chance of snow. Mostly clear, with a low around 24. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 21. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 37. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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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:
10:45 pm EST Feb 18, 2026
Forecast Valid:
10pm EST Feb 18, 2026-6pm EST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation