Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

84°F

29°C

Humidity 63%
Wind Speed Vrbl 5 mph
Barometer 29.76 in (1006.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Jun 3:56 pm EDT
Extended Forecast for

2 Miles NNE Sundown NY

Severe T-storm Watch until June 12, 09:00pm
Heat Advisory June 12, 04:19pm until June 12, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Heat Advisory
  •  
    Severe T-storm Watch until June 12, 09:00pm
    Heat Advisory June 12, 04:19pm until June 12, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 85 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Some of the storms could be severe.  Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind around 9 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and possibly a thunderstorm after 2pm.  High near 82. South wind 5 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am.  Low around 51. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then scattered showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 85. West wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 80. Northwest wind around 9 mph.
Saturday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Sunday
Showers and possibly a thunderstorm after 2pm. High near 82. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 2am. Low around 51. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Thursday
Showers. High near 79. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 54. Chance of precipitation is 80%.
Juneteenth
A chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Sundown NY
 41.92°N 74.44°W (Elev. 1280 ft)
3:37 pm EDT Jun 12, 2026
4pm EDT Jun 12, 2026-6pm EDT Jun 19, 2026
 
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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