Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

A Few Clouds

69°F

21°C

Humidity 70%
Wind Speed NE 3 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Apr 10:56 pm EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Mostly cloudy, with a low around 57. West wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers between 1pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 8am.  Partly sunny, with a high near 64. Northwest wind around 7 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. North wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am.  Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 57. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers between 1pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly after 8am. Partly sunny, with a high near 64. Northwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 48. North wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
8:37 pm EDT Apr 15, 2026
11pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database