Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

26°F

-3°C

Humidity 51%
Wind Speed N 13 mph
Barometer 30.17 in (1023.8 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 4 Feb 10:56 am EST
Extended Forecast for

Mongaup Valley NY

  • Today

    Today: Sunny, with a high near 25. Northwest wind around 7 mph.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 5. Light northwest wind.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. Wind chill values as low as -2. Northwest wind 3 to 5 mph.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Calm wind.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow after 1pm.  Partly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Friday Night

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

    Low: 1 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 10. Blustery.

    High: 10 °F

    Cold and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 25. Northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 5. Light northwest wind.
Thursday
Mostly sunny, with a high near 26. Wind chill values as low as -2. Northwest wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 2. Calm wind.
Friday
A slight chance of snow after 1pm. Partly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 1. Chance of precipitation is 40%.
Saturday
Mostly sunny and cold, with a high near 10. Blustery.
Saturday Night
Partly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
11:28 am EST Feb 4, 2026
11am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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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