Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

52°F

11°C

Humidity	72%
Wind Speed	NW 7 mph
Barometer	29.95 in (1014.3 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	15 Jun 10:54 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Twin Rocks PA

Tonight
Low: 48 °F
Mostly Clear
Tuesday
High: 72 °F
Mostly Sunny
Tuesday Night
Low: 55 °F
Increasing
Clouds
Wednesday
High: 75 °F
Slight Chance
Showers
Wednesday Night
Low: 62 °F
Slight Chance
T-storms then
Showers
Likely
Thursday
High: 79 °F
Showers
Thursday Night
Low: 58 °F
Showers
Likely
Juneteenth
High: 72 °F
Chance
Showers
Friday Night
Low: 54 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 48. Calm wind.

Tuesday

Mostly sunny, with a high near 72. Southwest wind 3 to 7 mph.

Tuesday Night

Increasing clouds, with a low around 55. Calm wind becoming south around 5 mph after midnight.

Wednesday

A slight chance of showers before 2pm. Mostly sunny, with a high near 75. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Juneteenth

A chance of showers after 8am. Partly sunny, with a high near 72. Chance of precipitation is 40%.

Friday Night

Partly cloudy, with a low around 54.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%.

Saturday Night

A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 73.