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.

Overcast

29°F

-2°C

Humidity 82%
Wind Speed Calm
Barometer 30.10 in (1020.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 16 Feb 10:56 pm EST
Extended Forecast for

Upper Mongaup NY

  • Tonight

    Tonight: A slight chance of freezing rain after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Freezing Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Light and variable wind becoming west around 6 mph.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain. High near 38. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow before 2pm, then rain and snow. High near 34. Chance of precipitation is 90%.

    High: 34 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of freezing rain after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 45. Light and variable wind becoming west around 6 mph.
Tuesday Night
Increasing clouds, with a low around 30. Calm wind.
Wednesday
Rain. High near 38. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
Snow before 2pm, then rain and snow. High near 34. Chance of precipitation is 90%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Saturday
A chance of rain and snow before 2pm, then a chance of rain between 2pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
Last Update:
5:49 pm EST Feb 16, 2026
Forecast Valid:
11pm EST Feb 16, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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