Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fog

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1012.4 mb)
Dewpoint 55°F (13°C)
Visibility 0.50 mi
Last update 15 Apr 4:56 am EDT
Extended Forecast for

Long Flat NY

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly after 2pm.  Partly sunny, with a high near 77. Southwest wind 5 to 7 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 58. West wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 68. West wind around 6 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers before 2am.  Mostly cloudy, with a low around 51. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 8pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 77. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. West wind around 6 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Showers likely after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.05°W (Elev. 1900 ft)
4:47 am EDT Apr 15, 2026
5am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

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