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.

Mostly Cloudy

34°F

1°C

Humidity 61%
Wind Speed W 14 G 24 mph
Barometer 29.72 in (1007.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 6:56 am EDT
Extended Forecast for

Upper Mongaup NY

Wind Advisory until March 14, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 14, 02:00pm

    NOW until 2:00pm Sat

    Wind Advisory

  • Today

    High: 40 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and midnight, then rain showers after midnight. Low around 35. Southeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 60. South wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 60 °F

    Showers

  • Monday Night

    Monday Night: Rain showers before 4am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. Chance of precipitation is 90%.

    Low: 27 °F

    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow showers before 8am. Partly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 40. Breezy, with a west wind 15 to 20 mph, with gusts as high as 43 mph.
Tonight
Increasing clouds, with a low around 25. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 43. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and midnight, then rain showers after midnight. Low around 35. Southeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Showers, with thunderstorms also possible after 2pm. High near 60. South wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Monday Night
Rain showers before 4am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. Chance of precipitation is 90%.
Tuesday
A chance of snow showers before 8am. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 28.
Friday
A chance of showers. Mostly sunny, with a high near 45. Chance of precipitation is 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:
5:58 am EDT Mar 14, 2026
Forecast Valid:
7am EDT Mar 14, 2026-6pm EDT Mar 20, 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