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.

Fair

-2°F

-19°C

Humidity 87%
Wind Speed NE 3 mph
Barometer 30.24 in (1027.3 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 5 Dec 6:56 am EST
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Today

    Today: Increasing clouds, with a high near 20. Wind chill values as low as -8. Calm wind becoming south 5 to 7 mph in the morning.

    High: 20 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. South wind around 5 mph becoming calm in the evening.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31. Southwest wind 5 to 8 mph.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Northwest wind around 7 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 28. Northwest wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 28 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Snow likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.

    Low: 9 °F

    Snow Likely

  • Monday

    Monday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.

    High: 23 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 20. Wind chill values as low as -8. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Mostly cloudy, with a low around 15. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 31. Southwest wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 15. Northwest wind around 7 mph, with gusts as high as 21 mph.
Sunday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 28. Northwest wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.
Sunday Night
Snow likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 15.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Tuesday Night
A chance of snow before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Wednesday
Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Wednesday Night
Snow. Low around 24. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
6:53 am EST Dec 5, 2025
Forecast Valid:
7am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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