Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed Calm
Barometer 30.11 in (1019.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Jun 9:53 am EDT
Extended Forecast for

Reamstown PA

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: Mostly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm  after midnight.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South wind 7 to 9 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. West wind 5 to 9 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 87. Light and variable wind.
Tonight
Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 88. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 69. South wind 7 to 9 mph.
Wednesday
Sunny and hot, with a high near 97. West wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 76.
Friday
Sunny and hot, with a high near 102.
Friday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Reamstown PA
 40.2°N 76.13°W (Elev. 479 ft)
9:55 am EDT Jun 29, 2026
10am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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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