Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

77°F

25°C

Humidity	82%
Wind Speed	W 7 mph
Barometer	30.18 in (1019.9 mb)
Dewpoint	71°F (22°C)
Visibility	9.00 mi
Heat Index	79°F (26°C)
Last update	3 Jul 7:54 am EDT

More Information:

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

Extended Forecast for

Davidsville PA

Heat Advisory July 3, 08:12am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 3, 08:12am until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Today
High: 92 °F
Hot
Tonight
Low: 69 °F
Chance
T-storms
Independence Day
High: 89 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 67 °F
Showers
Likely
Sunday
High: 85 °F
Showers
Likely then
T-storms
Sunday Night
Low: 65 °F
T-storms then
Showers
Monday
High: 81 °F
Showers
Likely then
T-storms
Monday Night
Low: 64 °F
T-storms then
Showers
Likely

Detailed Forecast

Today

Mostly sunny and hot, with a high near 92. Calm wind becoming west 5 to 8 mph in the afternoon.

Tonight

A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Independence Day

A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 85. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Low around 65. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 90%.

Monday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

Wednesday

A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 62.

Thursday

A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.