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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Partly Cloudy

18°F

-8°C

Humidity 62%
Wind Speed W 16 G 26 mph
Barometer 30.09 in (1022.4 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Jan 6:54 am EST
Extended Forecast for

Portage PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Extreme Cold Warning January 23, 06:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Extreme Cold Warning

  • Today

    Today: Mostly sunny, with a temperature rising to near 18 by 11am, then falling to around 10 during the remainder of the day. Wind chill values as low as -10. West wind around 18 mph, with gusts as high as 36 mph.

    High: 18 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.

    Low: -4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. Northwest wind around 6 mph becoming east in the afternoon.

    High: 10 °F

    Cold

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 7. Wind chill values as low as -10. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 7 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 17. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 17 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 15. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 15 °F

    Snow

  • Monday

    Monday: A chance of snow before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 16. Chance of precipitation is 50%.

    High: 16 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 13.

    High: 13 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a temperature rising to near 18 by 11am, then falling to around 10 during the remainder of the day. Wind chill values as low as -10. West wind around 18 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around -4. Wind chill values as low as -20. Northwest wind 7 to 16 mph, with gusts as high as 30 mph.
Saturday
Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. Northwest wind around 6 mph becoming east in the afternoon.
Saturday Night
Snow. The snow could be heavy at times. Low around 7. Wind chill values as low as -10. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 17. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Snow. Low around 15. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday
A chance of snow before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 16. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 13.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Mostly cloudy, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Mostly cloudy, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.38°N 78.66°W (Elev. 2096 ft)
Last Update:
7:06 am EST Jan 23, 2026
Forecast Valid:
7am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation