Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

13°F

-11°C

Humidity 59%
Wind Speed NW 13 mph
Barometer 29.80 in (1012.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 1 Feb 4:56 pm EST
Extended Forecast for

Upper Mongaup NY

Cold Weather Advisory February 1, 07:00pm until February 2, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values as low as -8. Northwest wind around 10 mph, with gusts as high as 23 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Northwest wind 3 to 6 mph.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Calm wind becoming west around 6 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 25. Wind chill values as low as -8. Northwest wind around 10 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 5. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 29. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 9. Calm wind.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 2.
Friday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
A chance of flurries. Mostly sunny, with a high near 11.
Saturday Night
Partly cloudy, with a low around -2.
Sunday
A chance of flurries. Mostly sunny, with a high near 13.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
5:51 pm EST Feb 1, 2026
5pm EST Feb 1, 2026-6pm EST Feb 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database