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

41°F

5°C

Humidity 76%
Wind Speed W 3 mph
Barometer 30.18 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Apr 11:35 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

  • Overnight

    Overnight: Areas of frost after 5am. Otherwise, clear, with a low around 36. West wind 3 to 5 mph.

    Low: 36 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, increasing clouds, with a high near 62. West wind 6 to 14 mph, with gusts as high as 28 mph.

    High: 62 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. North northwest wind 5 to 9 mph becoming light north after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. Light north northeast wind.

    High: 60 °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

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, clear, with a low around 36. West wind 3 to 5 mph.
Sunday
Areas of frost before 9am. Otherwise, increasing clouds, with a high near 62. West wind 6 to 14 mph, with gusts as high as 28 mph.
Sunday Night
Areas of frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. North northwest wind 5 to 9 mph becoming light north after midnight.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. 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. South southwest wind 6 to 11 mph, with gusts as high as 23 mph.
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%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 69.
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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:
12:46 am EDT Apr 19, 2026
Forecast Valid:
12am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation