Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

84°F

29°C

Humidity	57%
Wind Speed	W 8 mph
Barometer	30.10 in (1017.2 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	4 Jul 12:54 pm EDT

More Information:

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

Extended Forecast for

2 Miles S Patton PA

Independence Day
High: 88 °F
Severe
Thunderstorms
Tonight
Low: 65 °F
Severe
Thunderstorms
then Slight
Chance
T-storms
Sunday
High: 82 °F
Chance
Showers then
Showers
Sunday Night
Low: 63 °F
Showers
Likely
Monday
High: 76 °F
Showers
Likely then
T-storms
Monday Night
Low: 61 °F
T-storms then
Showers
Likely
Tuesday
High: 77 °F
Showers
Likely
Tuesday Night
Low: 61 °F
Showers
Likely then
Mostly Cloudy
Wednesday
High: 80 °F
Mostly Sunny

Detailed Forecast

Independence Day

A chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 88. West wind around 10 mph. 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 before 5am, then a slight chance of showers. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 65. West wind around 6 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 slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 82. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming east in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 76. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 61. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Wednesday

Mostly sunny, with a high near 80.

Wednesday Night

Partly cloudy, with a low around 63.

Thursday

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

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.