Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

65°F

18°C

Humidity	68%
Wind Speed	W 17 G 28 mph
Barometer	30.06 in (1017.1 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	31 Mar 10:54 am EDT

More Information:

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

Extended Forecast for

Johnstown PA

Today
High: 75 °F
Slight Chance
T-storms
Tonight
Low: 61 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 67 °F
Showers
Likely then
Showers
Wednesday Night
Low: 56 °F
Showers
Thursday
High: 72 °F
Showers
Likely
Thursday Night
Low: 58 °F
Showers
Likely then
Chance
Showers
Friday
High: 77 °F
Partly Sunny
then Chance
Showers
Friday Night
Low: 57 °F
Chance
Showers
Saturday
High: 80 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 75. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 61. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers and possibly a thunderstorm. High near 67. West wind around 7 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 11pm, then showers likely. Low around 56. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 72. South wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.

Friday Night

A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Saturday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

Sunday

Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.