Storms To End Heat Wave: Anne Arundel County Weather

ANNAPOLIS, MD — It's Day 3 of a heat wave with temperatures that feel like they are in the triple digits across the region. The National Weather Service has issued an excessive heat warning for most of Maryland, including Anne Arundel County.

There's a chance of showers and thunderstorms Sunday night, and then heavy rain Monday will finally break the heat. The high temperature on Tuesday will be in the low 80s.

First, the excessive heat warning took effect at 11 a.m. and expires at 9 p.m. on Sunday, July 21, calling for dangerously high temperatures and humidity that could lead to heat stress or heat stroke.

The excessive heat warning says temperatures may reach 110 degrees on the heat index, which is what it will feel like outside due to humidity. Actual temps will range from the high 90s to 100.
It will be hottest in Anne Arundel County from 2 to 4 p.m., when the heat index is expected to hit 110degrees and it will be 97 degrees outside, according to the National Weather Service forecast.

Here is a look at the hour-by-hour forecast in Anne Arundel County for Sunday, July 21:

• 1 p.m. — 96 degrees, feels like 107
• 2 p.m. — 97 degrees, feels like 110
• 3 p.m. — 97 degrees, feels like 110
• 4 p.m. — 97 degrees, feels like 110
• 5 p.m. — 96 degrees, feels like 108
• 6 p.m. — 95 degrees, feels like 107
• 7 p.m. — 93 degrees, feels like 105
• 8 p.m. — 91 degrees, feels like 102
• 9 p.m. — 88 degrees, feels like 98
• Midnight — 84 degrees, feels like 92

During the excessive heat warning period Sunday, people should take precautions like wearing lightweight clothing, drinking water, rescheduling strenuous activities to the early morning or evening and taking frequent breaks in the shade or air-conditioning if working outside; and they should not leave children or pets alone in hot cars for any amount of time.

Where To Cool Off: Cooling Centers

These Anne Arundel County Department of Aging and Disabilities Senior Activity Centers will be open as cooling centers on Monday, July 22, from 8:30 a.m. to 4 p.m.

• Annapolis Senior Activity Center: 119 South Villa Avenue, Annapolis
• Arnold Senior Activity Center: 44 Church Rd, Arnold
• O'Malley Senior Activity Center: 1275 Odenton Road, Odenton
• Pasadena Senior Activity Center: 4103 Mountain Road, Pasadena
• Pascal Senior Activity Center: 125 Dorsey Road, Glen Burnie
• South County Senior Activity Center: 27 Stepneys Lane, Edgewater

Anne Arundel County Public Libraries will be open for cooling centers from 9 a.m. to 9 p.m. on Monday, July 22.

• Broadneck Community Library: 1275 Green Holly Drive, Annapolis
• Brooklyn Park Community Library: 1 East 11th Avenue, Baltimore
• Crofton Community Library: 1681 Riedel Road, Crofton
• Eastport-Annapolis Neck Community Library: 269 Hillsmere Drive, Annapolis
• Edgewater Community Library: 25 Stepneys Lane, Edgewater
• Glen Burnie Regional Library: 1010 Eastway, Glen Burnie
• Linthicum Community Library: 400 Shipley Road, Linthicum
• Maryland City at Russett Community Library: 3501 Russett Common, Laurel
• Mountain Road Community Library: 4730 Mountain Road, Pasadena
• Odenton Regional Library: 1325 Annapolis Road, Odenton
• Riviera Beach Community Library: 1130 Duvall Highway, Pasadena
• Severn Community Library: 2624 Annapolis Road, Severn
• Severna Park Community Library: 45 West McKinsey Road, Severna Park

Four Anne Arundel County Police District Station Community Rooms will open for cooling centers until 8 p.m. on Monday, July 22.

• Northern District: 939 Hammonds Lane, Baltimore
• Eastern District: 204 Pasadena Rd, Pasadena
• Western District: 8273 Telegraph Road, Odenton
• Southern District: 35 Stepneys Lane, Edgewater

Forecast For Anne Arundel County

Sunday Afternoon: Mostly sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind around 9 mph.

Sunday Night: Scattered showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 77. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

Monday: Showers and thunderstorms, mainly after 1pm. Some of the storms could produce gusty winds and heavy rain. High near 90. Light and variable wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night: Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce gusty winds and heavy rain. Low around 70. West wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 81. Northwest wind around 9 mph. Chance of precipitation is 60%.

Tuesday Night: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Wednesday: Mostly sunny, with a high near 83.

Wednesday Night: Mostly clear, with a low around 67.

Thursday: Sunny, with a high near 85.

Thursday Night: Mostly clear, with a low around 68.

Friday: Sunny, with a high near 87.

Friday Night: Mostly clear, with a low around 70.

Saturday: Sunny, with a high near 87.