Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy with Haze and Breezy

4°F

-16°C

Humidity 57%
Wind Speed NW 25 G 36 mph
Barometer 29.74 in (1009.8 mb)
Dewpoint -8°F (-22°C)
Visibility 4.00 mi
Wind Chill-19°F (-28°C)
Last update 7 Feb 12:56 pm EST
Extended Forecast for

Upper Mongaup NY

Extreme Cold Warning until February 8, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning until February 8, 01:00pm

    NOW until 1:00pm Sun

    Extreme Cold Warning

  • This Afternoon

    High: 7 °F

    Cold and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around -6. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 45 mph.

    Low: -6 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 10. Wind chill values as low as -27. Northwest wind around 15 mph, with gusts as high as 31 mph.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1. Wind chill values as low as -14. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 1 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 24. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny and cold, with a high near 7. Wind chill values as low as -22. Blustery, with a northwest wind around 22 mph, with gusts as high as 47 mph.
Tonight
Mostly clear, with a low around -6. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 45 mph.
Sunday
Sunny and cold, with a high near 10. Wind chill values as low as -27. Northwest wind around 15 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 1. Wind chill values as low as -14. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 24. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
Mostly cloudy, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
11:50 am EST Feb 7, 2026
1pm EST Feb 7, 2026-6pm EST Feb 13, 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