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

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.25 in (1025.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 8 Jan 7:56 pm EST
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Calm wind becoming south around 6 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 43. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: A chance of rain, mainly before 7pm. Cloudy, with a low around 29. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, mainly after 1pm. Cloudy, with a high near 37. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 37 °F

    Cloudy then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow before 10pm, then rain between 10pm and 4am, then a chance of freezing rain after 4am. Low around 30. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Wintry Mix

  • Sunday

    Sunday: A chance of snow and freezing rain before 7am, then a chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 35 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Monday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Calm wind becoming south around 6 mph after midnight.
Friday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 43. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mainly before 7pm. Cloudy, with a low around 29. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, possibly mixed with snow, mainly after 1pm. Cloudy, with a high near 37. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow before 10pm, then rain between 10pm and 4am, then a chance of freezing rain after 4am. Low around 30. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow and freezing rain before 7am, then a chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
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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 pm EST Jan 8, 2026
Forecast Valid:
8pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
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