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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.17 in (1022.9 mb)
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Wind Chill29°F (-2°C)
Last update 5 Mar 4:56 pm EST
Extended Forecast for

Mongaup Valley NY

Winter Weather Advisory March 5, 07:00pm until March 6, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Rain. Areas of fog. High near 39. East wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: Rain before 4am, then a chance of rain or freezing rain. Areas of fog. Low around 31. East wind around 6 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    Low: 31 °F

    Rain and
    Areas Fog
    then
    Rain/Freezing
    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of freezing rain, mainly before 7am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 39. East wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Freezing Rain
    and Patchy
    Fog then
    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers, mainly before 1am. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Rain. Areas of fog. High near 39. East wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 4am, then a chance of rain or freezing rain. Areas of fog. Low around 31. East wind around 6 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Friday
A chance of freezing rain, mainly before 7am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 39. East wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Showers, mainly before 1am. Low around 42. Chance of precipitation is 80%.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
3:22 pm EST Mar 5, 2026
Forecast Valid:
5pm EST Mar 5, 2026-6pm EDT Mar 12, 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