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.

Overcast

43°F

6°C

Humidity 80%
Wind Speed NA
Barometer 29.82 in (1010.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 5 Apr 5:56 pm EDT
Extended Forecast for

High Lake PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Partly sunny, with a high near 37. Northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 45. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Partly sunny, with a high near 37. Northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 19. Northwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
High Lake PA
 41.81°N 75.29°W (Elev. 1581 ft)
Last Update:
5:59 pm EDT Apr 5, 2026
Forecast Valid:
6pm EDT Apr 5, 2026-6pm EDT Apr 12, 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