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.

Fog/Mist

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in (1016.0 mb)
Dewpoint 27°F (-3°C)
Visibility 3.00 mi
Last update 18 Feb 2:56 am EST
Extended Forecast for

4 Miles SSW Big Indian NY

Winter Weather Advisory February 18, 12:00pm until February 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. West wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain or freezing rain before 1pm, then rain, possibly mixed with snow between 1pm and 2pm, then rain after 2pm. High near 37. West wind around 5 mph becoming light and variable. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Freezing
    Rain Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, freezing rain, and sleet before 11pm, then a slight chance of freezing rain between 11pm and midnight. Low around 26. Southeast wind around 6 mph becoming north in the evening. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

    Low: 26 °F

    Wintry Mix
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 33. Northeast wind around 6 mph becoming south in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow and freezing rain before 10pm, then a slight chance of snow between 10pm and 1am, then a chance of snow and freezing rain after 1am. Cloudy, with a low around 24. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Slight Chance
    Wintry Mix
    then Chance
    Wintry Mix

  • Friday

    Friday: Snow and freezing rain. High near 32. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 32 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow and freezing rain likely, becoming all snow after 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Wintry Mix
    Likely then
    Snow Likely

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. West wind around 6 mph.
Wednesday
Rain or freezing rain before 1pm, then rain, possibly mixed with snow between 1pm and 2pm, then rain after 2pm. High near 37. West wind around 5 mph becoming light and variable. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.
Wednesday Night
Snow, freezing rain, and sleet before 11pm, then a slight chance of freezing rain between 11pm and midnight. Low around 26. Southeast wind around 6 mph becoming north in the evening. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Thursday
Mostly cloudy, with a high near 33. Northeast wind around 6 mph becoming south in the afternoon.
Thursday Night
A slight chance of snow and freezing rain before 10pm, then a slight chance of snow between 10pm and 1am, then a chance of snow and freezing rain after 1am. Cloudy, with a low around 24. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Snow and freezing rain. High near 32. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Snow and freezing rain likely, becoming all snow after 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Indian NY
 42.03°N 74.48°W (Elev. 3012 ft)
Last Update:
2:02 am EST Feb 18, 2026
Forecast Valid:
3am EST Feb 18, 2026-6pm EST Feb 24, 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