Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Mostly Cloudy

83°F

28°C

Humidity 77%
Wind Speed S 9 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Aug 6:53 pm EDT
Extended Forecast for

New Haven CT

Heat Advisory until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 08:00pm

    NOW until
    8:00pm Mon

    Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind around 6 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 73 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming south 5 to 8 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 70 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Calm wind becoming southeast 5 to 7 mph in the morning.

    Slight Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. Light south wind.

    Chance
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 86. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 86 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. South wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
New Haven CT
 41.31°N 72.92°W (Elev. 33 ft)
3:32 pm EDT Aug 18, 2019
7pm EDT Aug 18, 2019-6pm EDT Aug 25, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database