Wintry Weather Across the Northern Tier of the U.S.; Fire Weather Concerns in California

Wintry weather is expected from the Northern Plains to Upper Great Lakes with periods of snow and freezing rain. Another system will bring more snow to the Northern Rockies and Northern Plains Wednesday night into Thursday. Meanwhile, fire weather and air quality concerns persist for portions of the Western U.S., including California. Temperatures will run above normal over much of the East. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.26 in (1024.6 mb)
Dewpoint 62°F (17°C)
Visibility 0.25 mi
Last update 20 Oct 8:56 pm EDT
Extended Forecast for

Commack NY

  • Tonight

    Tonight: Patchy drizzle.  Areas of fog.  Otherwise, cloudy, with a low around 61. Calm wind.

    Patchy
    Drizzle and
    Areas Fog

    Low: 61 °F

  • Wednesday

    Wednesday: Patchy drizzle before 10am.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.

    Patchy
    Drizzle and
    Areas Fog
    then Mostly
    Cloudy

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 60. South wind 5 to 7 mph.

    Mostly Cloudy

    Low: 60 °F

  • Thursday

    Thursday: Partly sunny, with a high near 72. Calm wind becoming north around 5 mph.

    Partly Sunny

    High: 72 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind becoming east around 5 mph after midnight.

    Partly Cloudy

    Low: 54 °F

  • Friday

    Friday: Mostly sunny, with a high near 66.

    Mostly Sunny

    High: 66 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 53.

    Mostly Cloudy

    Low: 53 °F

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    Partly Sunny

    High: 69 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Mostly Cloudy

    Low: 50 °F

Detailed Forecast

Tonight
Patchy drizzle. Areas of fog. Otherwise, cloudy, with a low around 61. Calm wind.
Wednesday
Patchy drizzle before 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 60. South wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 72. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 67.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 67.
Click Map For Forecast
Point Forecast:
Commack NY
 40.85°N 73.28°W (Elev. 144 ft)
8:01 pm EDT Oct 20, 2020
9pm EDT Oct 20, 2020-6pm EDT Oct 27, 2020
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database