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

6°F

-14°C

Humidity 76%
Wind Speed NW 8 mph
Barometer 29.99 in (1018.7 mb)
Dewpoint 0°F (-18°C)
Visibility 9.00 mi
Wind Chill-7°F (-22°C)
Last update 29 Jan 8:56 am EST
Extended Forecast for

Upper Mongaup NY

Cold Weather Advisory January 29, 07:00pm until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 16. Wind chill values as low as -9. Northwest wind 7 to 9 mph.

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -5. Wind chill values as low as -21. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: -5 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 10. Wind chill values as low as -22. Northwest wind around 10 mph, with gusts as high as 21 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 6 to 8 mph.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17. Northwest wind around 6 mph.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Sunday Night

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

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 16. Wind chill values as low as -9. Northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around -5. Wind chill values as low as -21. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near 10. Wind chill values as low as -22. Northwest wind around 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around -4. Wind chill values as low as -15. Northwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 17. Northwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 26.
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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:
9:24 am EST Jan 29, 2026
Forecast Valid:
9am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation