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.

Mostly Cloudy with Haze

4°F

-16°C

Humidity 63%
Wind Speed NW 15 G 26 mph
Barometer 30.04 in (1020.5 mb)
Dewpoint -6°F (-21°C)
Visibility 5.00 mi
Wind Chill-14°F (-26°C)
Last update 30 Jan 8:56 am EST
Extended Forecast for

Thompsonville NY

Cold Weather Advisory January 30, 09:55am until February 1, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 30, 09:55am until February 1, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Today

    High: 10 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around -4. Wind chill values as low as -15. West wind 5 to 7 mph.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17. Wind chill values as low as -12. Northwest wind 3 to 5 mph.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -3. Wind chill values as low as -12. North wind 3 to 5 mph.

    Low: -3 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 20. North wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny and cold, with a high near 10. Wind chill values as low as -16. Northwest wind around 11 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around -4. Wind chill values as low as -15. West wind 5 to 7 mph.
Saturday
Sunny, with a high near 17. Wind chill values as low as -12. Northwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around -3. Wind chill values as low as -12. North wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 20. North wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 8. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville NY
 41.67°N 74.61°W (Elev. 1247 ft)
Last Update:
6:07 am EST Jan 30, 2026
Forecast Valid:
9am EST Jan 30, 2026-6pm EST Feb 5, 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