Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
A Few Clouds
83°F
28°C
| Humidity | 40% |
| Wind Speed | SE 5 mph |
| Barometer | 30.14 in (1019.8 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 29 Jun 4:56 pm EDT |
Extended Forecast for
3 Miles WNW Big Indian NY
Extreme Heat Watch July 1, 10:00am until July 3, 08:00pm
Tonight

Low: 58 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 63 °F
Chance
T-storms then
Mostly CloudyWednesday
High: 88 °F
Partly Sunny
then Slight
Chance
T-stormsWednesday Night

Low: 66 °F
Partly Cloudy
Thursday

High: 88 °F
Sunny
Thursday Night

Low: 67 °F
Mostly Clear
Friday

High: 87 °F
Sunny
Friday Night

Low: 65 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 58. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
A chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 82. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 63. Southwest wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. West wind around 9 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66. West wind around 9 mph.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 65.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Big Indian NY
42.1°N 74.5°W (Elev. 2999 ft)
42.1°N 74.5°W (Elev. 2999 ft)
2:36 pm EDT Jun 29, 2026
5pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026



