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.

Fog/Mist

29°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1015.0 mb)
Dewpoint 29°F (-2°C)
Visibility 4.00 mi
Last update 18 Feb 4:56 am EST
Extended Forecast for

Fosterdale NY

Dense Fog Advisory until February 18, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 18, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 30 °F

    Slight Chance
    Freezing Rain
    and Areas
    Dense Fog

  • Wednesday

    Wednesday: Showers. Areas of dense fog before 8am. High near 39. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Showers and
    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Rain showers likely before 11pm, then a slight chance of freezing rain after 4am. Cloudy, with a low around 29. Light east wind. Chance of precipitation is 60%. Little or no ice accumulation expected.

    Low: 29 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of freezing rain before 1pm, then a slight chance of snow showers between 1pm and 4pm, then a slight chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 38. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain showers, snow showers, and freezing rain before 7pm, then snow showers and freezing rain likely. Cloudy, with a low around 29. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 29 °F

    Chance Wintry
    Mix then
    Wintry Mix
    Likely

  • Friday

    Friday: Snow showers and freezing rain before 10am, then rain, possibly mixed with snow showers between 10am and 1pm, then rain showers after 1pm. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Wintry Mix

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Overnight
A slight chance of freezing rain. Areas of dense fog. Otherwise, mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers. Areas of dense fog before 8am. High near 39. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers likely before 11pm, then a slight chance of freezing rain after 4am. Cloudy, with a low around 29. Light east wind. Chance of precipitation is 60%. Little or no ice accumulation expected.
Thursday
A slight chance of freezing rain before 1pm, then a slight chance of snow showers between 1pm and 4pm, then a slight chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 38. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of rain showers, snow showers, and freezing rain before 7pm, then snow showers and freezing rain likely. Cloudy, with a low around 29. East wind around 6 mph. Chance of precipitation is 60%.
Friday
Snow showers and freezing rain before 10am, then rain, possibly mixed with snow showers between 10am and 1pm, then rain showers after 1pm. High near 37. Chance of precipitation is 90%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fosterdale NY
 41.71°N 74.96°W (Elev. 1299 ft)
Last Update:
4:59 am EST Feb 18, 2026
Forecast Valid:
5am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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