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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

13°F

-11°C

Humidity 74%
Wind Speed NW 7 mph
Barometer 30.12 in (1022.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 26 Dec 12:56 am EST
Extended Forecast for

Mongaup Valley NY

Winter Storm Warning December 26, 01:00pm until December 27, 12:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Mostly clear, with a low around 10. Northwest wind around 5 mph becoming calm.

    Low: 10 °F

    Mostly Clear

  • Friday

    Friday: Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 22. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around 2 inches.

    High: 22 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Friday Night

    Friday Night: Snow, mainly before 2am. The snow could be heavy at times. Low around 16. East wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around 5 inches.

    Low: 16 °F

    Heavy Snow

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain or freezing rain between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Sunday Night

    Sunday Night: Freezing rain between 7pm and 4am, then rain after 4am. Low around 29. Chance of precipitation is 90%.

    Low: 29 °F

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain and snow, becoming all rain after 9am. High near 42. Chance of precipitation is 90%.

    High: 42 °F

    Rain/Snow
    then Rain

  • Monday Night

    Monday Night: Rain and snow showers likely before 7pm. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 60%.

    Low: 18 °F

    Rain/Snow
    Likely then
    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Northwest wind around 5 mph becoming calm.
Friday
Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 22. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around 2 inches.
Friday Night
Snow, mainly before 2am. The snow could be heavy at times. Low around 16. East wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around 5 inches.
Saturday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 12. Calm wind.
Sunday
A chance of rain or freezing rain between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Sunday Night
Freezing rain between 7pm and 4am, then rain after 4am. Low around 29. Chance of precipitation is 90%.
Monday
Rain and snow, becoming all rain after 9am. High near 42. Chance of precipitation is 90%.
Monday Night
Rain and snow showers likely before 7pm. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 24. Breezy.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 11.
New Year's Day
Partly sunny, with a high near 22.
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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:
1:16 am EST Dec 26, 2025
Forecast Valid:
1am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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