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 Rain

62°F

17°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 11 Mar 6:56 pm EDT
Extended Forecast for

Long Flat NY

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 30. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 11am. Mostly cloudy, with a temperature falling to around 30 by 9am. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 35 °F⇓

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Northwest wind 8 to 13 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of snow showers before 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 39. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 2am. Mostly cloudy, with a low around 28. South wind around 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Chance Rain
    then Rain

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 30. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and snow showers before 8am, then a chance of snow showers between 8am and 11am. Mostly cloudy, with a temperature falling to around 30 by 9am. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Northwest wind 8 to 13 mph.
Friday
A slight chance of snow showers before 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 39. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 2am. Mostly cloudy, with a low around 28. South wind around 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A chance of snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Sunday Night
Rain, mainly after 2am. Low around 34. Chance of precipitation is 80%.
Monday
Rain. High near 54. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.05°W (Elev. 1900 ft)
Last Update:
7:05 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation