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 Rain

62°F

17°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 11 Mar 6:56 pm EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Showers and thunderstorms. Low around 28. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 28 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 4pm. Mostly cloudy, with a temperature falling to around 27 by 5pm. Northwest wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 32 °F⇓

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers between 1am and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. Northwest wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow before 11am, then a chance of snow after 2pm. Partly sunny, with a high near 34. South wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 2am. Mostly cloudy, with a low around 24. South wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 30. Chance of precipitation is 80%.

    Low: 30 °F

    Chance Rain
    then Rain

Detailed Forecast

Tonight
Showers and thunderstorms. Low around 28. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 4pm. Mostly cloudy, with a temperature falling to around 27 by 5pm. Northwest wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow showers between 1am and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 18. Northwest wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow before 11am, then a chance of snow after 2pm. Partly sunny, with a high near 34. South wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow before 2am. Mostly cloudy, with a low around 24. South wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Sunday Night
Rain, mainly after 2am. Low around 30. Chance of precipitation is 80%.
Monday
Rain. High near 51. Chance of precipitation is 90%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 26.
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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:
2:37 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 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