National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

42°F

6°C

Humidity 28%
Wind Speed SE 7 mph
Barometer 30.48 in (1033.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Apr 7:56 pm EDT
Extended Forecast for

Youngsville NY

Red Flag Warning April 9, 12:00pm until April 9, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Clear, with a low around 24. Calm wind.

    Low: 24 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. South wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 36. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 24. Calm wind.
Thursday
Sunny, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 33. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 36. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 70.
Monday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville NY
 41.79°N 74.88°W (Elev. 1473 ft)
Last Update:
2:30 pm EDT Apr 8, 2026
Forecast Valid:
8pm EDT Apr 8, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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