Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

15°F

-9°C

Humidity 70%
Wind Speed N 3 mph
Barometer 29.87 in (1014.0 mb)
Dewpoint 7°F (-14°C)
Visibility NA
Last update 5 Feb 8:56 pm EST
Extended Forecast for

Upper Mongaup NY

Extreme Cold Watch February 7, 04:00am until February 8, 01:00pm
Click here for hazard details and duration
Extreme Cold Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26. Light and variable wind.

    High: 26 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Snow showers, mainly after 1am.  Low around 4. Wind chill values as low as -3. Light and variable wind becoming west 5 to 10 mph after midnight.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 4 °F

    Chance Snow
    Showers then
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers.  Patchy blowing snow after 8am. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -24. Blustery, with a northwest wind around 21 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    High: 10 °F

    Slight Chance
    Snow Showers
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around -6. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph.

    Low: -6 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 6. Calm wind.
Friday
Mostly cloudy, with a high near 26. Light and variable wind.
Friday Night
Snow showers, mainly after 1am. Low around 4. Wind chill values as low as -3. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
A slight chance of snow showers. Patchy blowing snow after 8am. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -24. Blustery, with a northwest wind around 21 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Saturday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around -6. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph.
Sunday
Sunny and cold, with a high near 10.
Sunday Night
Mostly clear, with a low around -2.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 33.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
5:58 pm EST Feb 5, 2026
9pm EST Feb 5, 2026-6pm EST Feb 12, 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