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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

31°F

-1°C

Humidity 85%
Wind Speed W 10 mph
Barometer 29.86 in (1012.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 11 Jan 3:54 am EST
Extended Forecast for

Portage PA

Wind Advisory January 11, 10:00am until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. West wind around 13 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow showers, mainly after 10am. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 33. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 10pm. Areas of blowing snow between 8pm and 9pm. Mostly cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 35. West wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain showers likely before 1am, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. West wind around 13 mph, with gusts as high as 30 mph.
Sunday
Snow showers, mainly after 10am. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 33. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow showers likely, mainly before 10pm. Areas of blowing snow between 8pm and 9pm. Mostly cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 35. West wind 11 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Wednesday Night
Rain showers likely before 1am, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.39°N 78.68°W (Elev. 1621 ft)
Last Update:
1:06 am EST Jan 11, 2026
Forecast Valid:
3am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation