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.

Overcast

28°F

-2°C

Humidity 34%
Wind Speed S 13 mph
Barometer 30.42 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 20 Jan 1:35 pm CST
Extended Forecast for

Sullivan IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 29. South wind around 10 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. South wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Isolated snow showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 44. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 44 °F

    Isolated Snow
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West southwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Northwest wind around 6 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. Calm wind becoming north northwest 5 to 8 mph after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 15. North wind around 11 mph, with gusts as high as 20 mph.

    High: 15 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 15. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 15 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 29. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 23. South wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday
Isolated snow showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 44. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 23. West southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 34. Northwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 11. Calm wind becoming north northwest 5 to 8 mph after midnight.
Friday
Mostly cloudy, with a high near 15. North wind around 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 3. North northeast wind around 10 mph, with gusts as high as 18 mph.
Saturday
A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 15. Northeast wind around 10 mph, with gusts as high as 18 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 10. North northeast wind around 7 mph.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 21.
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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:
2:45 pm EST Jan 20, 2026
Forecast Valid:
3pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation