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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

32°F

0°C

Humidity 73%
Wind Speed NW 6 mph
Barometer 29.97 in (1017.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Feb 10:54 pm EST
Extended Forecast for

Saint Michael-Sidman PA

Winter Storm Warning February 22, 12:00am until February 24, 01:00am
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A chance of snow showers before 1am, then snow, mainly after 1am. Low around 32. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 32 °F

    Snow

  • Sunday

    Sunday: Snow. High near 34. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 27. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Heavy Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery, with a west wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of snow showers before 1am, then snow, mainly after 1am. Low around 32. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Sunday
Snow. High near 34. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 27. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 13. Blustery, with a west wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Michael-Sidman PA
 40.33°N 78.78°W (Elev. 1798 ft)
Last Update:
7:06 pm EST Feb 21, 2026
Forecast Valid:
11pm EST Feb 21, 2026-6pm EST Feb 28, 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