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.

Light Rain

36°F

2°C

Humidity 97%
Wind Speed NE 5 mph
Barometer 29.53 in (1001.0 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 14 Jan 4:56 pm EST
Extended Forecast for

Mongaup Valley NY

  • This Afternoon

    This Afternoon: Showers. High near 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Showers

  • Tonight

    Tonight: Rain, possibly mixed with snow showers. Low around 29. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers
    Likely then
    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers and freezing rain before 8am, then a slight chance of snow showers between 8am and 9am. Mostly cloudy, with a temperature falling to around 21 by 5pm. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 30 °F⇓

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11. Wind chill values as low as -2. West wind around 11 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. West wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers. High near 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, possibly mixed with snow showers. Low around 29. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers and freezing rain before 8am, then a slight chance of snow showers between 8am and 9am. Mostly cloudy, with a temperature falling to around 21 by 5pm. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 11. Wind chill values as low as -2. West wind around 11 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 27. West wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
5:11 pm EST Jan 14, 2026
Forecast Valid:
5pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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