Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 19, 11:00 AM EDT until June 19, 08:00 PM EDT

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

79°F

26°C

Humidity	84%
Wind Speed	SW 5 mph
Barometer	29.87 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	18 Jun 5:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW Westtown PA

Heat Advisory June 19, 11:00am until June 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Juneteenth
High: 90 °F
Sunny then
T-storms
Likely
Thursday Night
Low: 65 °F
T-storms
Likely then
Partly Cloudy
Friday
High: 82 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 70 °F
Partly Cloudy
Sunday
High: 90 °F
Mostly Sunny
Sunday Night
Low: 73 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers and thunderstorms likely, mainly between 4pm and 5pm. Sunny, with a high near 90. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 82. Northwest wind around 10 mph.

Friday Night

Mostly clear, with a low around 65. West wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 87.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Mostly clear, with a low around 73.