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

76°F

24°C

Humidity	85%
Wind Speed	W 9 mph
Barometer	30.19 in (1020.3 mb)
Dewpoint	71°F (22°C)
Visibility	9.00 mi
Heat Index	77°F (25°C)
Last update	3 Jul 6:54 am EDT

More Information:

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

Extended Forecast for

Sankertown PA

Heat Advisory July 3, 07:16am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 3, 07:16am until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Today
High: 91 °F
Mostly Sunny
Tonight
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Independence Day
High: 87 °F
Sunny then
Chance
Showers
Saturday Night
Low: 68 °F
Showers
Likely
Sunday
High: 82 °F
Showers
Likely then
T-storms
Sunday Night
Low: 65 °F
T-storms then
Showers
Monday
High: 78 °F
Showers
Likely then
T-storms
Monday Night
Low: 64 °F
T-storms then
Showers
Likely

Detailed Forecast

Today

Mostly sunny, with a high near 91. West wind 5 to 10 mph, with gusts as high as 21 mph.

Tonight

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 70. West wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Independence Day

A slight chance of showers and thunderstorms before 3pm, then a chance of showers after 5pm. Mostly sunny, with a high near 87. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. West wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 82. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and possibly a thunderstorm. 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

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. 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 77. 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

Partly sunny, with a high near 79.

Wednesday Night

Partly cloudy, with a low around 63.

Thursday

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