National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation