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

26°F

-3°C

Humidity 92%
Wind Speed W 5 mph
Barometer 29.84 in (1012.4 mb)
Dewpoint 24°F (-4°C)
Visibility 1.75 mi
Wind Chill20°F (-7°C)
Last update 18 Jan 6:56 pm EST
Extended Forecast for

Monticello NY

Winter Weather Advisory January 18, 07:44pm until January 18, 10:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory January 18, 07:44pm until January 18, 10:00pm

    NOW until 10:00pm Sun

    Winter Weather Advisory

  • Tonight

    Low: 14 °F

    Snow then
    Slight Chance
    Snow Showers

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 25. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -8. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 7 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14. Wind chill values as low as -9. West wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 14 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2. West wind 6 to 8 mph.

    Low: 2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow before 9pm, then a chance of snow showers between 9pm and 1am. Low around 14. West wind 3 to 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
M.L.King Day
Partly sunny, with a high near 25. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.
Monday Night
A chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -8. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 14. Wind chill values as low as -9. West wind 13 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 2. West wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
A chance of snow showers. Partly sunny, with a high near 13. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.65°N 74.67°W (Elev. 1414 ft)
Last Update:
3:23 pm EST Jan 18, 2026
Forecast Valid:
7pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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