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.

Partly Cloudy

32°F

0°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 30.19 in (1023.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 30 Mar 3:56 am EDT
Extended Forecast for

Long Flat NY

  • Today

    Today: A slight chance of showers after 3pm. Increasing clouds, with a high near 57. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 49. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of rain between 8am and 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 65. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 54. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Southwest wind around 9 mph. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Rain Likely

Detailed Forecast

Today
A slight chance of showers after 3pm. Increasing clouds, with a high near 57. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Showers, mainly after 2am. Low around 49. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers before 8am, then a chance of rain between 8am and 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 65. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 54. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Southwest wind around 9 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
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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:
2:30 am EDT Mar 30, 2026
Forecast Valid:
4am EDT Mar 30, 2026-6pm EDT Apr 5, 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