Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Haze Smoke

83°F

28°C

Humidity	79%
Wind Speed	W 7 mph
Barometer	29.76 in (1007.3 mb)
Dewpoint	76°F (24°C)
Visibility	2.00 mi
Heat Index	91°F (33°C)
Last update	18 Jul 4:53 pm EDT

More Information:

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

Extended Forecast for

Lancaster PASimilar City Names

Severe T-storm Watch until July 18, 09:00pm

Flood Watch July 18, 05:29pm until July 19, 12:00am

Click here for hazard details and duration

Severe T-storm Watch

Flood Watch

Severe T-storm Watch until July 18, 09:00pm
Flood Watch July 18, 05:29pm until July 19, 12:00am
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 90 °F
Severe
Thunderstorms
Tonight
Low: 70 °F
Severe
Thunderstorms
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 84 °F
Sunny
Monday Night
Low: 67 °F
Partly Cloudy
then Chance
Showers
Tuesday
High: 86 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 70 °F
T-storms then
Showers

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could be severe. Mostly cloudy, with a high near 90. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers. Some of the storms could be severe. Mostly cloudy, with a low around 70. Southwest wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Sunny, with a high near 83. Northwest wind around 10 mph.

Sunday Night

Mostly clear, with a low around 60. Light northeast wind.

Monday

Sunny, with a high near 84. Light and variable wind.

Monday Night

A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Tuesday

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. Chance of precipitation is 90%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Wednesday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 81.

Thursday Night

Mostly clear, with a low around 61.