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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

72°F

22°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 2 Jul 12:56 am EDT
Extended Forecast for

3 Miles W Big Indian NY

Extreme Heat Warning July 2, 01:25am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 01:25am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 90. West wind 5 to 8 mph.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. West wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Northwest wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. West wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 90. West wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 67. West wind around 6 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 63. Northwest wind around 6 mph.
Independence Day
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Big Indian NY
 42.08°N 74.5°W (Elev. 2677 ft)
Last Update:
8:36 pm EDT Jul 1, 2026
Forecast Valid:
1am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation