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 Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed NE 5 mph
Barometer 30.19 in (1023.7 mb)
Dewpoint 35°F (2°C)
Visibility 1.75 mi
Wind Chill32°F (0°C)
Last update 5 Mar 8:56 am EST
Extended Forecast for

Tennanah Lake NY

Winter Weather Advisory March 5, 05:00pm until March 6, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain. High near 38. East wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Rain

  • Tonight

    Tonight: Rain or freezing rain before 4am, then a chance of freezing rain. Low around 30. Southeast wind around 10 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.2 of an inch possible.

    Low: 30 °F

    Rain/Freezing
    Rain

  • Friday

    Friday: A chance of rain or freezing rain before 10am, then a chance of rain showers between 10am and 1pm. Mostly cloudy, with a high near 35. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 35 °F

    Chance
    Rain/Freezing
    Rain then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 33. Southeast wind around 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 50. South wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 1am. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Rain. High near 38. East wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain or freezing rain before 4am, then a chance of freezing rain. Low around 30. Southeast wind around 10 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.2 of an inch possible.
Friday
A chance of rain or freezing rain before 10am, then a chance of rain showers between 10am and 1pm. Mostly cloudy, with a high near 35. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 33. Southeast wind around 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 50. South wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Showers, mainly before 1am. Low around 40. Chance of precipitation is 90%.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 61.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
Last Update:
8:43 am EST Mar 5, 2026
Forecast Valid:
9am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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