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

31°F

-1°C

Humidity 67%
Wind Speed W 8 mph
Barometer 30.03 in (1018.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Jan 8:56 pm EST
Extended Forecast for

High Lake PA

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Southwest wind 3 to 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Southwest wind 3 to 6 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 33. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 40. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 4am. Low around 21. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 21 °F

    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.

    Low: 10 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 39. Southwest wind 3 to 6 mph.
Tuesday Night
A slight chance of rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 33. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 40. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 4am. Low around 21. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A chance of snow showers after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 11.
M.L.King Day
Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
High Lake PA
 41.81°N 75.29°W (Elev. 1581 ft)
Last Update:
3:23 pm EST Jan 12, 2026
Forecast Valid:
9pm EST Jan 12, 2026-6pm EST Jan 19, 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