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

6°F

-14°C

Humidity 76%
Wind Speed W 6 mph
Barometer 30.07 in (1021.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 20 Jan 5:56 am EST
Extended Forecast for

High Lake PA

Cold Weather Advisory January 20, 06:48am until January 20, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 20, 06:48am until January 20, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Today

    High: 15 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 3. West wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 26. Wind chill values as low as -3. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 26 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. South wind around 7 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 15. Wind chill values as low as -6. West wind 7 to 11 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 3. West wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 26. Wind chill values as low as -3. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 22. South wind around 7 mph.
Thursday
Partly sunny, with a high near 34. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 1. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 16.
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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:
4:57 am EST Jan 20, 2026
Forecast Valid:
6am EST Jan 20, 2026-6pm EST Jan 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