Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
A Few Clouds
13°F
-11°C
| Humidity | 88% |
| Wind Speed | W 5 mph |
| Barometer | 29.81 in (1011.7 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 5°F (-15°C) |
| Last update | 19 Jan 6:56 am EST |
Extended Forecast for
High Lake PA
Cold Weather Advisory January 19, 10:00pm until January 20, 10:00am
M.L.King Day
High: 25 °F
Partly Sunny
then Slight
Chance Snow
ShowersTonight
Low: 7 °F
Chance Snow
Showers then
Mostly ClearTuesday

High: 15 °F
Mostly Sunny
Tuesday Night

Low: 5 °F
Mostly Clear
Wednesday

High: 26 °F
Partly Sunny
Wednesday Night

Low: 22 °F
Mostly Cloudy
Thursday
High: 34 °F
Chance Snow
Showers then
Chance
Rain/SnowThursday Night

Low: 11 °F
Partly Cloudy
Friday

High: 20 °F
Partly Sunny
Detailed Forecast
M.L.King Day
A slight chance of snow showers after 4pm. Partly sunny, with a high near 25. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of snow showers, mainly before 8pm. Partly cloudy, with a low around 7. Wind chill values as low as -3. West wind 8 to 11 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 15. Wind chill values as low as -5. West wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 5. West wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 26. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of snow showers after 3pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Partly sunny and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
A chance of snow. Partly sunny, with a high near 11. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
High Lake PA
41.81°N 75.29°W (Elev. 1581 ft)
41.81°N 75.29°W (Elev. 1581 ft)
6:01 am EST Jan 19, 2026
7am EST Jan 19, 2026-6pm EST Jan 25, 2026



