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.

Overcast and Breezy

48°F

9°C

Humidity 71%
Wind Speed NW 21 mph
Barometer 30.03 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Apr 1:55 pm CDT
Extended Forecast for

Sullivan IN

Frost Advisory April 19, 02:00am until April 19, 09:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Isolated showers between 4pm and 5pm. Mostly cloudy, with a steady temperature around 50. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 50 °F

    Isolated
    Showers

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 35. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.

    Low: 35 °F

    Decreasing
    Clouds then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, increasing clouds, with a high near 62. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 62 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 3 to 8 mph.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 61. Light north northeast wind.

    High: 61 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers between 4pm and 5pm. Mostly cloudy, with a steady temperature around 50. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Tonight
Areas of frost after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 35. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Sunday
Areas of frost before 9am. Otherwise, increasing clouds, with a high near 62. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 3 to 8 mph.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 61. Light north northeast wind.
Monday Night
Mostly clear, with a low around 43. Calm wind becoming south southeast around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
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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:
2:45 pm EDT Apr 18, 2026
Forecast Valid:
3pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation