Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

49°F

9°C

Humidity 86%
Wind Speed E 6 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 11 Mar 6:56 am EDT
Extended Forecast for

Upper Mongaup NY

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am.  Low around 35. South wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 8am.  Temperature falling to around 35 by 9am. Northwest wind 14 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain and snow showers after 2pm.  Partly sunny, with a high near 42. South wind 5 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of showers, mainly between 8pm and 2am.  Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after 2pm.  Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 35. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before 8am. Temperature falling to around 35 by 9am. Northwest wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
A slight chance of rain and snow showers after 2pm. Partly sunny, with a high near 42. South wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow after 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow before 8pm, then rain. Low around 36. Chance of precipitation is 80%.
Monday
Rain. High near 56. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Partly cloudy, with a low around 21. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
4:57 am EDT Mar 11, 2026
7am EDT Mar 11, 2026-6pm EDT Mar 17, 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