Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Partly Cloudy

58°F

14°C

Humidity	38%
Wind Speed	NW 7 mph
Barometer	29.86 in (1011.5 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	21 Mar 6:54 pm EDT

More Information:

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

Extended Forecast for

Johnstown-Cambria County Airport PA

Tonight
Low: 49 °F
Partly Cloudy
Sunday
High: 72 °F
Sunny then
Severe
Thunderstorms
Sunday Night
Low: 35 °F
Severe
Thunderstorms
then Showers
Monday
High: 42 °F
Decreasing
Clouds
Monday Night
Low: 24 °F
Partly Cloudy
Tuesday
High: 46 °F
Sunny
Tuesday Night
Low: 33 °F
Mostly Cloudy
Wednesday
High: 53 °F
Partly Sunny
Wednesday Night
Low: 38 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around 49. Light and variable wind becoming south 5 to 9 mph in the evening.

Sunday

Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Increasing clouds, with a high near 72. West wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 35. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind around 15 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 24. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.

Tuesday

Sunny, with a high near 46.

Tuesday Night

Mostly cloudy, with a low around 33.

Wednesday

Partly sunny, with a high near 53.

Wednesday Night

A chance of showers after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.