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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

74°F

23°C

Humidity 85%
Wind Speed W 5 mph
Barometer 30.07 in (1016.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 3 Jul 6:56 am EDT
Extended Forecast for

Lewbeach NY

Extreme Heat Warning July 3, 07:53am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 07:53am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 90 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 65. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 84. Northwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the morning.
Tonight
A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 65. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 84. Northwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewbeach NY
 42°N 74.78°W (Elev. 1736 ft)
Last Update:
2:30 am EDT Jul 3, 2026
Forecast Valid:
7am EDT Jul 3, 2026-6pm EDT Jul 9, 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