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

Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

76°F

24°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Jul 5:53 am EDT
Extended Forecast for

2 Miles ENE Bausman PA

Extreme Heat Warning July 4, 05:56am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 4, 05:56am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Independence Day

    High: 100 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Mostly Sunny
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Some of the storms could produce heavy rainfall. Low around 68. East wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 68 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 82. East wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Independence Day
A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Some of the storms could produce heavy rainfall. Low around 68. East wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 82. East wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Bausman PA
 40.02°N 76.31°W (Elev. 299 ft)
Last Update:
3:35 am EDT Jul 4, 2026
Forecast Valid:
5am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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Additional Resources

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Chance of Precipitation