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

58°F

14°C

Humidity 97%
Wind Speed SW 8 mph
Barometer 29.63 in (1002.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Mar 11:56 pm EDT
Extended Forecast for

Mongaup Valley NY

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 32. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Showers

  • Thursday

    Thursday: Rain showers likely before 10am, then a chance of snow showers between 10am and 3pm. Mostly cloudy, with a temperature falling to around 33 by 9am. Northwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F⇓

    Rain/Snow
    Likely then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of rain and snow after 2pm. Partly sunny, with a high near 41. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow before 2pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of freezing rain before 8pm, then a chance of rain or freezing rain between 8pm and 2am, then rain after 2am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Chance
    Rain/Freezing
    Rain then
    Rain/Freezing
    Rain

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 32. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers likely before 10am, then a chance of snow showers between 10am and 3pm. Mostly cloudy, with a temperature falling to around 33 by 9am. Northwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind 7 to 11 mph, with gusts as high as 22 mph.
Friday
A slight chance of rain and snow after 2pm. Partly sunny, with a high near 41. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 29. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow before 2pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Sunday Night
A chance of freezing rain before 8pm, then a chance of rain or freezing rain between 8pm and 2am, then rain after 2am. Low around 32. Chance of precipitation is 80%.
Monday
Rain. High near 56. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
7:05 pm EDT Mar 11, 2026
Forecast Valid:
12am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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