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

72°F

22°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 30 Jun 11:56 pm EDT
Extended Forecast for

2 Miles NNW Wangaum PA

Extreme Heat Warning July 1, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A slight chance of showers after 2am. Partly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 102. West wind 5 to 7 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 72. Light west wind.

    Low: 72 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 104. West wind 3 to 8 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. West wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers after 2am. Partly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 102. West wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 72. Light west wind.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 104. West wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 74. West wind around 6 mph.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Wangaum PA
 41.52°N 75.26°W (Elev. 1398 ft)
Last Update:
11:49 pm EDT Jun 30, 2026
Forecast Valid:
12am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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