Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

62°F

17°C

Humidity	84%
Wind Speed	Calm
Barometer	30.11 in (1018.3 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	4 Aug 1:54 am EDT

More Information:

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

Extended Forecast for

Saint Michael-Sidman PA

Overnight
Low: 55 °F
Patchy Fog
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 81 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 82 °F
Chance
Showers then
Showers
Thursday Night
Low: 67 °F
Showers then
Mostly Cloudy
Friday
High: 82 °F
Chance
Showers then
Showers
Friday Night
Low: 66 °F
Showers then
Chance
T-storms

Detailed Forecast

Overnight

Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 55. Calm wind.

Tuesday

Sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the morning.

Tuesday Night

Partly cloudy, with a low around 64. Southeast wind 3 to 6 mph.

Wednesday

A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 81. Southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A 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. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 8pm. Low around 67. Chance of precipitation is 80%.

Friday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 66. Chance of precipitation is 80%.

Saturday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

Saturday Night

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

Sunday

Partly sunny, with a high near 82.

Sunday Night

Partly cloudy, with a low around 67.

Monday

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