Severe Thunderstorms In the Central U.S. and Heat This Weekend

Severe thunderstorms overnight may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the mid-MS Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. 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

65°F

18°C

Humidity	70%
Wind Speed	SW 7 mph
Barometer	29.95 in (1012.9 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	14 Jun 5:54 am EDT

More Information:

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

Extended Forecast for

Twin Rocks PA

Today
High: 81 °F
Mostly Cloudy
then Chance
T-storms
Tonight
Low: 53 °F
T-storms then
Mostly Cloudy
Monday
High: 65 °F
Partly Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 72 °F
Sunny
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 74 °F
Chance
Showers
Wednesday Night
Low: 61 °F
Partly Cloudy
then Showers
Likely
Thursday
High: 79 °F
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Low around 53. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Partly sunny, with a high near 65. West wind 7 to 10 mph, with gusts as high as 22 mph.

Monday Night

Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 55.

Wednesday

A chance of showers before 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

Wednesday Night

Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 90%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

Juneteenth

A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.

Friday Night

Partly cloudy, with a low around 55.

Saturday

A chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 30%.