National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

27°F

-3°C

Humidity 78%
Wind Speed E 5 mph
Barometer 30.37 in (1030.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 15 Mar 6:56 am EDT
Extended Forecast for

5 Miles NNE Sundown NY

  • Today

    Today: A slight chance of snow showers before 8am. Mostly cloudy, with a high near 36. Northeast wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of rain or freezing rain before 1am, then rain. Low around 30. Southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 30 °F

    Chance
    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 56. South wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 56 °F

    Showers

  • Monday Night

    Monday Night: Rain before 11pm, then rain and snow showers. Some thunder is also possible. Low around 19. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: A chance of snow showers before 8am, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 26. Breezy, with a west wind 18 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10. Breezy.

    Low: 10 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers before 8am. Mostly cloudy, with a high near 36. Northeast wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of rain or freezing rain before 1am, then rain. Low around 30. Southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
Monday
Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 56. South wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain before 11pm, then rain and snow showers. Some thunder is also possible. Low around 19. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow showers before 8am, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 26. Breezy, with a west wind 18 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 10. Breezy.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 43.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Sundown NY
 41.96°N 74.44°W (Elev. 2451 ft)
Last Update:
2:37 am EDT Mar 15, 2026
Forecast Valid:
7am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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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