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

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

29°F

-2°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.06 in (1019.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 12:56 am EDT
Extended Forecast for

3 Miles SSE Black Lake NY

  • Overnight

    Overnight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Isolated snow showers before 9am, then isolated snow showers after 2pm. Mostly sunny, with a high near 41. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 41 °F

    Isolated Snow
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Calm wind.
Monday
Isolated snow showers before 9am, then isolated snow showers after 2pm. Mostly sunny, with a high near 41. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Black Lake NY
 41.61°N 74.83°W (Elev. 1299 ft)
Last Update:
1:43 am EDT Apr 20, 2026
Forecast Valid:
1am EDT Apr 20, 2026-6pm EDT Apr 26, 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