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

35°F

2°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.83 in (1011.6 mb)
Dewpoint 35°F (2°C)
Visibility 0.50 mi
Wind Chill30°F (-1°C)
Last update 18 Feb 10:56 am EST
Extended Forecast for

Mongaup Valley NY

  • Today

    Today: Rain. High near 39. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain likely before midnight, then a slight chance of freezing rain after 4am. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 70%. Little or no ice accumulation expected.

    Low: 28 °F

    Rain Likely
    then Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 37. Calm wind becoming southeast around 5 mph.

    High: 37 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of snow showers and freezing rain after 1am. Cloudy, with a low around 27. Light east wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 27 °F

    Cloudy then
    Chance Wintry
    Mix

  • Friday

    Friday: Freezing rain, possibly mixed with snow showers before 10am, then rain or freezing rain between 10am and 1pm, then rain showers after 1pm. High near 35. East wind 5 to 7 mph. Chance of precipitation is 100%.

    High: 35 °F

    Wintry Mix

  • 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 snow showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Rain. High near 39. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely before midnight, then a slight chance of freezing rain after 4am. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 70%. Little or no ice accumulation expected.
Thursday
Cloudy, with a high near 37. Calm wind becoming southeast around 5 mph.
Thursday Night
A chance of snow showers and freezing rain after 1am. Cloudy, with a low around 27. Light east wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Freezing rain, possibly mixed with snow showers before 10am, then rain or freezing rain between 10am and 1pm, then rain showers after 1pm. High near 35. East wind 5 to 7 mph. Chance of precipitation is 100%.
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 snow showers after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 33. 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 34. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 29.
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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:
11:27 am EST Feb 18, 2026
Forecast Valid:
11am EST Feb 18, 2026-6pm EST Feb 24, 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