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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Partly Cloudy

26°F

-3°C

Humidity 44%
Wind Speed W 16 G 28 mph
Barometer 30.01 in (1018.3 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 23 Jan 11:56 am EST
Extended Forecast for

Unionville NY

Cold Weather Advisory January 23, 07:00pm until January 24, 10:00am
Winter Storm Warning January 25, 01:00am until January 26, 07:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 16 by 5pm. West wind 11 to 13 mph, with gusts as high as 26 mph.

    High: 25 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values as low as -14. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 11. Wind chill values as low as -14. Northwest wind around 6 mph.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 2. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 2 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 15. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 100%.

    High: 15 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 9. Chance of precipitation is 100%.

    Low: 9 °F

    Heavy Snow

  • Monday

    Monday: Snow before 1pm, then snow showers likely after 1pm. High near 21. Chance of precipitation is 80%.

    High: 21 °F

    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 16 by 5pm. West wind 11 to 13 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around -2. Wind chill values as low as -14. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 11. Wind chill values as low as -14. Northwest wind around 6 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 2. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow. The snow could be heavy at times. High near 15. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 100%.
Sunday Night
Snow. The snow could be heavy at times. Low around 9. Chance of precipitation is 100%.
Monday
Snow before 1pm, then snow showers likely after 1pm. High near 21. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 16.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Mostly cloudy, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
11:28 am EST Jan 23, 2026
Forecast Valid:
12pm EST Jan 23, 2026-6pm EST Jan 29, 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