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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist

1°F

-17°C

Humidity 83%
Wind Speed NW 12 mph
Barometer 29.97 in (1020.4 mb)
Dewpoint -3°F (-19°C)
Visibility 1.00 mi
Wind Chill-16°F (-27°C)
Last update 1 Feb 7:54 am EST
Extended Forecast for

Portage PA

Extreme Cold Warning February 1, 08:26am until February 1, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning February 1, 08:26am until February 1, 01:00pm

    NOW until 1:00pm Sun

    Extreme Cold Warning

  • Today

    High: 14 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 4. Wind chill values as low as -10. West wind around 11 mph, with gusts as high as 26 mph.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 21. Wind chill values as low as -10. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 21 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 27. West wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 8. Chance of precipitation is 20%.

    Low: 8 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 14. Wind chill values as low as -10. West wind 10 to 15 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 4. Wind chill values as low as -10. West wind around 11 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 21. Wind chill values as low as -10. West wind 7 to 9 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 13. West wind around 5 mph.
Tuesday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 27. West wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 8. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
Partly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Snow. High near 28. Chance of precipitation is 80%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 5. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.39°N 78.68°W (Elev. 1621 ft)
Last Update:
7:26 am EST Feb 1, 2026
Forecast Valid:
8am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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