National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Heat Lingers in the Southwest; Severe Thunderstorms; Tropical Storm Cristobal

Excessive Heat will continue today over central California and parts of the Southwest including Las Vegas and Phoenix. Severe thunderstorms are forecast over parts of the Upper Midwest and southern Plains today, along with the Mid-Atlantic. Tropical Storm Cristobal is forecast to re-emerge over the southern Gulf of Mexico Friday and move north into the north-central Gulf of Mexico this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

85°F

29°C

Humidity 48%
Wind Speed S 9 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Jun 5:53 pm EDT
Extended Forecast for

Mount Joy PA

Severe T-storm Watch until June 4, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until June 4, 10:00pm

    NOW until
    10:00pm Thu

    Severe T-storm Watch

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Some storms could be severe, with large hail, damaging winds, and frequent lightning. Low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms

    Low: 66 °F

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 86 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Chance
    Showers

    Low: 68 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 58. Northwest wind 3 to 5 mph.

    Mostly Clear

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 76.

    Sunny

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 54.

    Mostly Clear

    Low: 54 °F

  • Monday

    Monday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Some storms could be severe, with large hail, damaging winds, and frequent lightning. Low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 58. Northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mount Joy PA
 40.11°N 76.52°W (Elev. 397 ft)
Last Update:
3:24 pm EDT Jun 4, 2020
Forecast Valid:
6pm EDT Jun 4, 2020-6pm EDT Jun 11, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation