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

51°F

11°C

Humidity 96%
Wind Speed SE 9 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Apr 10:56 pm EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Showers likely, mainly after 4am. Cloudy, with a steady temperature around 48. South wind 8 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: Rain and snow showers, becoming all snow after 11am. Temperature falling to around 33 by noon. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 39 °F⇓

    Rain/Snow
    then Snow
    Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 7pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 23. West wind 7 to 11 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 2pm. Partly sunny, with a high near 35. Northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Northwest wind 6 to 9 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 2am, then a chance of rain showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Cloudy, with a steady temperature around 48. South wind 8 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain and snow showers, becoming all snow after 11am. Temperature falling to around 33 by noon. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Sunday Night
A slight chance of snow showers before 7pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 23. West wind 7 to 11 mph. Chance of precipitation is 20%.
Monday
A slight chance of snow showers before 2pm. Partly sunny, with a high near 35. Northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 16. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
A chance of snow showers before 2am, then a chance of rain showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
8:36 pm EDT Apr 18, 2026
Forecast Valid:
11pm EDT Apr 18, 2026-6pm EDT Apr 25, 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