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.

Overcast

27°F

-3°C

Humidity 58%
Wind Speed S 5 mph
Barometer 29.52 in (1001.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 6 Feb 3:56 pm EST
Extended Forecast for

Mongaup Valley NY

Extreme Cold Warning February 7, 07:00am until February 8, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning

  • This Afternoon

    This Afternoon: A chance of snow showers after 5pm. Cloudy, with a high near 26. Light south wind. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 3am. Cloudy, with a low around 1. Wind chill values as low as -6. Calm wind becoming northwest 5 to 8 mph after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 1 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Patchy blowing snow between 11am and noon. Mostly cloudy and cold, with a high near 8. Wind chill values as low as -17. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph.

    High: 8 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -6. Wind chill values as low as -26. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.

    Low: -6 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 11. Northwest wind around 14 mph, with gusts as high as 29 mph.

    High: 11 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers after 5pm. Cloudy, with a high near 26. Light south wind. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly before 3am. Cloudy, with a low around 1. Wind chill values as low as -6. Calm wind becoming northwest 5 to 8 mph after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
Patchy blowing snow between 11am and noon. Mostly cloudy and cold, with a high near 8. Wind chill values as low as -17. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 36 mph.
Saturday Night
Partly cloudy, with a low around -6. Wind chill values as low as -26. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 11. Northwest wind around 14 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
3:30 pm EST Feb 6, 2026
Forecast Valid:
4pm EST Feb 6, 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