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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

26°F

-3°C

Humidity 35%
Wind Speed SW 13 mph
Barometer 30.03 in (1019.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 22 Jan 6:54 pm EST
Extended Forecast for

Cassandra PA

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

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind around 11 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a temperature falling to around 10 by 5pm. Wind chill values as low as -5. West wind 14 to 18 mph, with gusts as high as 34 mph.

    High: 21 °F⇓

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind 6 to 13 mph, with gusts as high as 29 mph.

    Low: -3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 11. Wind chill values as low as -10. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    High: 11 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 8. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 18. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 18 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 11. Chance of precipitation is 90%.

    Low: 11 °F

    Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.

    High: 17 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 18. West wind around 11 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a temperature falling to around 10 by 5pm. Wind chill values as low as -5. West wind 14 to 18 mph, with gusts as high as 34 mph.
Friday Night
Mostly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind 6 to 13 mph, with gusts as high as 29 mph.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 11. Wind chill values as low as -10. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Saturday Night
Snow. The snow could be heavy at times. Low around 8. East wind 5 to 10 mph, with gusts as high as 21 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 18. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow. Low around 11. Chance of precipitation is 90%.
Monday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around -1.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
A chance of snow. Mostly cloudy, with a high near 19. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 14. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.65°W (Elev. 1699 ft)
Last Update:
7:06 pm EST Jan 22, 2026
Forecast Valid:
7pm EST Jan 22, 2026-6pm EST Jan 29, 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