National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

20°F

-7°C

Humidity 65%
Wind Speed E 3 mph
Barometer 30.50 in (1035.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 3 Mar 2:56 am EST
Extended Forecast for

3 Miles SSE Grant Mills NY

Winter Weather Advisory March 3, 09:00am until March 4, 03:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 9. South wind 3 to 5 mph.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow before 2pm, then snow, possibly mixed with sleet between 2pm and 3pm, then snow and freezing rain after 3pm. High near 34. South wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.

    High: 34 °F

    Snow then
    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain and freezing rain, possibly mixed with snow before midnight, then a chance of rain between midnight and 2am. Low around 28. South wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Wintry Mix
    then Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 47. North wind around 5 mph becoming calm in the afternoon.

    High: 47 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 33. Chance of precipitation is 90%.

    Low: 33 °F

    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 9. South wind 3 to 5 mph.
Tuesday
Snow before 2pm, then snow, possibly mixed with sleet between 2pm and 3pm, then snow and freezing rain after 3pm. High near 34. South wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.
Tuesday Night
Rain and freezing rain, possibly mixed with snow before midnight, then a chance of rain between midnight and 2am. Low around 28. South wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. North wind around 5 mph becoming calm in the afternoon.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly after 1pm. Cloudy, with a high near 44. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers. Low around 33. Chance of precipitation is 90%.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 55.
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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:
12:52 am EST Mar 3, 2026
Forecast Valid:
3am EST Mar 3, 2026-6pm EDT Mar 9, 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