Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Rain Fog/Mist

49°F

9°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 49°F (9°C)
Visibility 4.00 mi
Last update 19 Apr 5:56 am EDT
Extended Forecast for

Mongaup Valley NY

  • Today

    Today: Showers, mainly before 2pm.  High near 46. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers

  • Tonight

    Tonight: Isolated showers before 9pm.  Partly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 29 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm.  Mostly sunny, with a high near 43. Northwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 43 °F

    Isolated
    Rain/Snow
    then Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly before 2pm. High near 46. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Isolated showers before 9pm. Partly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm. Mostly sunny, with a high near 43. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
6:09 am EDT Apr 19, 2026
6am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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