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

Severe Thunderstorm Watch in effect from June 18, 12:45 PM EDT until June 18, 07:00 PM EDT

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

79°F

26°C

Humidity	100%
Wind Speed	Calm
Barometer	29.88 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	18 Jun 4:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles ENE Pomeroy PA

Severe T-storm Watch until June 18, 07:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until June 18, 07:00pm
NOW until 7:00pm Wed
Severe T-storm Watch
This Afternoon
High: 83 °F
T-storms
Tonight
Low: 70 °F
Slight Chance
T-storms then
Partly Cloudy
Juneteenth
High: 88 °F
Sunny then
Heavy Rain
Thursday Night
Low: 64 °F
T-storms
Likely then
Partly Cloudy
Friday
High: 80 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A slight chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind. Chance of precipitation is 20%.

Juneteenth

Showers and thunderstorms likely, mainly between 3pm and 5pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 88. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. 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 80. Northwest wind around 10 mph.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Sunny, with a high near 85.

Saturday Night

Partly cloudy, with a low around 69.

Sunday

Mostly sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 72.