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.

Light Snow Fog/Mist

13°F

-11°C

Humidity 88%
Wind Speed E 20 G 31 mph
Barometer 29.67 in (1007.9 mb)
Dewpoint 10°F (-12°C)
Visibility 0.75 mi
Wind Chill-5°F (-21°C)
Last update 25 Jan 8:56 pm EST
Extended Forecast for

Long Flat NY

Winter Storm Warning January 25, 09:41pm until January 26, 07:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 25, 09:41pm until January 26, 07:00pm

    NOW until 7:00pm Mon

    Winter Storm Warning

  • Tonight

    Low: 14 °F

    Heavy Snow

  • Monday

    Monday: Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 19. Light southwest wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 1am. Areas of blowing snow before 4am. Mostly cloudy, with a low around 2. Wind chill values as low as -8. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Chance Snow
    Showers and
    Areas Blowing
    Snow

  • Tuesday

    Tuesday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 12. Wind chill values as low as -9. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 12 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 2. West wind around 6 mph.

    Low: 2 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

  • Wednesday Night

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

    Low: -2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 13.

    High: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 14. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of around 4 inches.
Monday
Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 19. Light southwest wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
A chance of snow showers, mainly before 1am. Areas of blowing snow before 4am. Mostly cloudy, with a low around 2. Wind chill values as low as -8. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 12. Wind chill values as low as -9. West wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 2. West wind around 6 mph.
Wednesday
Partly sunny, with a high near 14.
Wednesday Night
Mostly cloudy, with a low around -2.
Thursday
Mostly cloudy, with a high near 13.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Mostly cloudy and cold, with a high near 9.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.05°W (Elev. 1900 ft)
Last Update:
8:19 pm EST Jan 25, 2026
Forecast Valid:
9pm EST Jan 25, 2026-6pm EST Feb 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation