National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Scorching Heat West and South-Central; Monsoon Threats; Areas of Heavy Rain

Excessive heat continues in the West and South-Central U.S. Temperatures heat up in the west next week with 90s and 100s north to as high as 127 in the desert. Monsoon flow also continues with threats of flash floods, dust storms, and dry thunderstorms. A low system may produce excessive rain to portions of the Middle Atlantic. Areas of heavy rain from the Gulf to the Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

A Few Clouds

70°F

21°C

Humidity 66%
Wind Speed E 17 G 24 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 Jul 4:56 pm EDT
Extended Forecast for

Norwalk CT

Wind Advisory July 21, 11:00pm until July 22, 06:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain. Steady temperature around 70. Windy, with an east wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely and
    Breezy then
    Heavy Rain
    and Windy

    Low: 70 °F

  • Sunday

    Sunday: Showers likely, mainly before 7am. Mostly cloudy, with a high near 81. Southeast wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 81 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then showers and possibly a thunderstorm after 3am. Low around 73. Southeast wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Chance
    Showers then
    Showers

    Low: 73 °F

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 81. South wind 9 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 81 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 9 to 13 mph.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    Chance
    T-storms

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    Chance
    T-storms

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Tonight
Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain. Steady temperature around 70. Windy, with an east wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 7am. Mostly cloudy, with a high near 81. Southeast wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then showers and possibly a thunderstorm after 3am. Low around 73. Southeast wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 81. South wind 9 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 9 to 13 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 82.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Norwalk CT
 41.09°N 73.44°W (Elev. 98 ft)
Last Update:
4:39 pm EDT Jul 21, 2018
Forecast Valid:
5pm EDT Jul 21, 2018-6pm EDT Jul 28, 2018
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic 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