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Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Mostly Cloudy
72°F
22°C
| Humidity | 100% |
| Wind Speed | NE 6 mph |
| Barometer | 30.04 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 27 Aug 11:45 am EDT |
Extended Forecast for
Mountainside NJ
Flood Watch until August 27, 11:00pm
NOW until 11:00pm Thu

Flood Watch
This Afternoon

High: 82 °F
Showers
Tonight

Low: 67 °F
Showers
LikelyFriday
High: 83 °F
Slight Chance
Showers then
Chance
T-stormsFriday Night

Low: 66 °F
Partly Cloudy
Saturday

High: 83 °F
Mostly Sunny
Saturday Night

Low: 65 °F
Mostly Clear
Sunday

High: 84 °F
Mostly Sunny
Sunday Night

Low: 69 °F
Partly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 82. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 67. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Light west wind. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 66. Light north wind.
Saturday
Mostly sunny, with a high near 83. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountainside NJ
40.69°N 74.37°W (Elev. 417 ft)
40.69°N 74.37°W (Elev. 417 ft)
8:44 am EDT Aug 27, 2026
12pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026



