Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

36°F

2°C

Humidity 82%
Wind Speed E 9 mph
Barometer 29.79 in (1010.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Jan 1:53 pm EST
Extended Forecast for

West Mifflin PA

Winter Storm Warning until January 20, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until January 20, 10:00am

    NOW until
    10:00am Sun

    Winter Storm Warning

  • This
    Afternoon

    This Afternoon: Snow.  High near 34. East wind around 9 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    Snow

    High: 34 °F

  • Tonight

    Tonight: Rain and snow, possibly mixed with freezing rain before 1am, then snow, possibly mixed with rain between 1am and 2am, then snow, possibly mixed with freezing rain after 2am.  Low around 19. East wind 9 to 11 mph becoming northwest after midnight.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow accumulation of 2 to 4 inches possible.

    Wintry Mix

    Low: 19 °F

  • Sunday

    Sunday: A chance of snow, mainly before 9am.  Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. Northwest wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Chance Snow
    then Cloudy

    High: 20 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Mostly Cloudy

    Low: 6 °F

  • M.L.King
    Day

    M.L.King Day: Mostly sunny and cold, with a high near 15. Northwest wind around 8 mph.

    Cold

    High: 15 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 2.

    Mostly Clear

    Low: 2 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    Mostly Sunny

    High: 35 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    Low: 31 °F

Detailed Forecast

This Afternoon
Snow. High near 34. East wind around 9 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Rain and snow, possibly mixed with freezing rain before 1am, then snow, possibly mixed with rain between 1am and 2am, then snow, possibly mixed with freezing rain after 2am. Low around 19. East wind 9 to 11 mph becoming northwest after midnight. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 2 to 4 inches possible.
Sunday
A chance of snow, mainly before 9am. Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 6. Wind chill values as low as -6. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
M.L.King Day
Mostly sunny and cold, with a high near 15. Northwest wind around 8 mph.
Monday Night
Mostly clear, with a low around 2.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Wednesday
Showers likely. Cloudy, with a high near 43. Chance of precipitation is 70%.
Wednesday Night
Rain and snow showers likely before 3am, then a chance of snow showers. Cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Cloudy, with a high near 34. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
4:11 am EST Jan 19, 2019
2pm EST Jan 19, 2019-6pm EST Jan 25, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database