National Weather Service United States Department of Commerce

Severe weather possible for parts of eastern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon & evening across parts of the Ohio Valley, Appalachians & eastern Great Lakes, from eastern Kentucky northeastward to central New York. The main threat will be strong, damaging wind gusts. Isolated strong to severe storms will also be possible across parts of the southern Plains & lower Miss. Valley.

Hazardous Weather Conditions

Current Conditions

Allegheny County

Zone Forecast

  • Today Cloudy. A chance of showers with a slight chance of thunderstorms this morning...then showers with thunderstorms likely this afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 90 percent.
  • Tonight Mostly cloudy. Showers and thunderstorms likely in the evening. Lows in the lower 60s. Humid. West winds 5 to 10 mph. Chance of rain 50 percent.
  • Wednesday Mostly sunny. Highs in the lower 80s. Light and variable winds...becoming west around 5 mph in the afternoon.
  • Wednesday Night Mostly clear. Lows in the lower 60s. South winds around 5 mph...becoming southeast after midnight.
  • Thursday Mostly sunny. Highs in the mid 80s. South winds around 5 mph.
  • Thursday Night Partly cloudy. Lows in the mid 60s.
  • Friday Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
  • Friday Night And Saturday Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 70s. Chance of rain 50 percent.
  • Saturday Night Mostly cloudy in the evening...then becoming partly cloudy. Lows in the upper 50s.
  • Sunday Through Monday Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.