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.

Fair

78°F

26°C

Humidity 79%
Wind Speed W 8 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Jul 8:56 am EDT
Extended Forecast for

3 Miles W Lexington NY

Heat Advisory July 1, 10:00am until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Partly cloudy, with a low around 70. West wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. West wind 7 to 9 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. West wind 8 to 11 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 82. West wind around 11 mph. Chance of precipitation is 20%.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Partly cloudy, with a low around 70. West wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 87. West wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 72. West wind 8 to 11 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 82. West wind around 11 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 66.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Lexington NY
 42.2°N 74.42°W (Elev. 3094 ft)
Last Update:
8:37 am EDT Jul 1, 2026
Forecast Valid:
9am EDT Jul 1, 2026-6pm EDT Jul 7, 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