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Severe Weather and Flooding From Portions of the Plains to the Mid-Atlantic

A potent spring storm system with abundant moisture will bring a chance of significant severe weather and heavy rain today into tonight. Damaging winds, large hail, and a couple of tornadoes will be possible across the Tennessee Valley, middle Ohio Valley, and portions of the Mid-Atlantic. Heavy rain and flooding are possible from the Ozarks to the Tennessee Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31° N Lon: 78.83° W Elev: 2274 ft.

Partly Cloudy

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 29.93 in (1013.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 May 8:54 pm EDT
Detailed forecast for

Somerset County

Tonight
Mostly cloudy with patchy drizzle. Lows in the mid 50s. West winds around 5 mph, becoming south after midnight.
Sunday
Mostly cloudy. A slight chance of showers with patchy drizzle in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.
Sunday Night
Showers with a chance of thunderstorms. Lows around 60. South winds 5 to 10 mph. Chance of rain 90 percent.
Memorial Day
Mostly cloudy with showers likely with a chance of thunderstorms in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the lower 70s. West winds 10 to 15 mph. Chance of rain 70 percent.
Monday Night
Mostly cloudy. Lows in the mid 50s. West winds 5 to 10 mph.
Tuesday
Partly sunny with a 30 percent chance of showers. Highs in the lower 70s.
Tuesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
Wednesday
Partly sunny with a 40 percent chance of showers. Highs in the mid 60s.
Wednesday Night
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 40 percent.
Thursday
Mostly sunny. Highs in the mid 60s.
Thursday Night
Partly cloudy. Lows around 50.
Friday
Mostly sunny. Highs in the upper 60s.
Friday Night
Partly cloudy. Lows around 50.
Saturday
Mostly sunny. Highs in the lower 70s.



Click Map For Forecast
715 PM EDT Sat May 27 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database