Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

38°F

3°C

Humidity	57%
Wind Speed	SW 3 mph
Barometer	30.19 in (1023.2 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Last update	12 May 6:54 am EDT

More Information:

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

Extended Forecast for

3 Miles SW Revloc PA

Freeze Warning until May 12, 08:00am

Click here for hazard details and duration

...

Freeze Warning until May 12, 08:00am
NOW until 8:00am Tue
Freeze Warning
Today
High: 67 °F
Sunny
Tonight
Low: 50 °F
Mostly Cloudy
Wednesday
High: 64 °F
Showers
Wednesday Night
Low: 42 °F
Showers
Thursday
High: 50 °F
Showers
Likely
Thursday Night
Low: 42 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 64 °F
Partly Sunny
Friday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Today

Sunny, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.

Tonight

Mostly cloudy, with a low around 50. Calm wind becoming south around 5 mph after midnight.

Wednesday

Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 64. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 42. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely, mainly after 2pm. Mostly cloudy, with a high near 50. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Partly sunny, with a high near 64.

Friday Night

Partly cloudy, with a low around 48.

Saturday

Mostly sunny, with a high near 77.

Saturday Night

Partly cloudy, with a low around 56.

Sunday

Mostly sunny, with a high near 80.

Sunday Night

Partly cloudy, with a low around 61.