National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Snow Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 29.29 in (993.0 mb)
Dewpoint 32°F (0°C)
Visibility 1.00 mi
Last update 15 Jan 4:56 am EST
Extended Forecast for

Rock Valley NY

  • Overnight

    Overnight: Snow showers likely. Cloudy, with a low around 26. South wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers, mainly before 9am. Temperature falling to around 21 by 5pm. West wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F⇓

    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 9pm. Mostly cloudy, with a low around 12. Wind chill values as low as -3. West wind 11 to 14 mph. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 24 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 20. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers after 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.

    High: 24 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 26. South wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow showers, mainly before 9am. Temperature falling to around 21 by 5pm. West wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow showers before 9pm. Mostly cloudy, with a low around 12. Wind chill values as low as -3. West wind 11 to 14 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 20. South wind around 6 mph. Chance of precipitation is 20%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A chance of snow showers after 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Mostly sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley NY
 41.9°N 75.07°W (Elev. 1821 ft)
Last Update:
4:57 am EST Jan 15, 2026
Forecast Valid:
5am EST Jan 15, 2026-6pm EST Jan 21, 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