Dangerous Heat in the Northeast and Northwest U.S.; Areas of Excessive Rainfall In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the Northwest and Northeast U.S. through this evening. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. A slow moving cold front will bring heavy thunderstorms which may produce excessive rainfall over the Ohio Valley and Mid-Atlantic through Wednesday. Read More >

Hazardous Weather Conditions

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Current conditions at

Meriden, Meriden Markham Municipal Airport (KMMK)

Lat: 41.51°NLon: 72.83°WElev: 102ft.

Partly Cloudy

85°F

29°C

Humidity	70%
Wind Speed	SE 3 mph
Barometer	29.87 in (1011.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	9 Aug 4:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Portland CT

Heat Advisory until August 9, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 9, 08:00pm

NOW until
8:00pm Tue

Heat Advisory
This
Afternoon

Scattered
T-storms
High: 91 °F
Tonight

Scattered
T-storms then
Mostly Cloudy
Low: 67 °F
Wednesday

Decreasing
Clouds
High: 85 °F
Wednesday
Night

Chance
Showers
Low: 68 °F
Thursday

Chance
Showers
High: 85 °F
Thursday
Night

Partly Cloudy
Low: 64 °F
Friday

Sunny
High: 82 °F
Friday
Night

Mostly Clear
Low: 58 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Mostly cloudy, with a steady temperature around 91. Heat index values as high as 103. Northwest wind around 6 mph. Chance of precipitation is 50%.

Tonight

Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67. Light north wind. Chance of precipitation is 30%.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 85. Light and variable wind becoming northeast around 5 mph.

Wednesday Night

A 50 percent chance of showers, mainly after 11pm. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

Thursday

A 30 percent chance of showers before 2pm. Partly sunny, with a high near 85. Light and variable wind.

Thursday Night

Partly cloudy, with a low around 64.

Friday

Sunny, with a high near 82.