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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

23°F

-5°C

Humidity 92%
Wind Speed W 13 mph
Barometer 29.78 in (1011.4 mb)
Dewpoint 21°F (-6°C)
Visibility 1.50 mi
Wind Chill11°F (-12°C)
Last update 23 Feb 2:54 am EST
Extended Forecast for

3 Miles N Summerhill PA

Winter Storm Warning February 23, 03:23am until February 24, 01:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 23, 03:23am until February 24, 01:00am

    NOW until 1:00am Tue

    Winter Storm Warning

  • Overnight

    Low: 24 °F

    Snow Likely

  • Monday

    Monday: A chance of snow and freezing rain before 3pm, then a chance of snow. Patchy blowing snow between 9am and 1pm. Cloudy, with a high near 30. Northwest wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Chance Wintry
    Mix and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: A slight chance of snow before 11pm, then a slight chance of snow and freezing rain between 11pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 1am. Low around 24. South wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow before 1pm, then rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Snow likely, mainly before 5am. Cloudy, with a low around 24. Northwest wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow and freezing rain before 3pm, then a chance of snow. Patchy blowing snow between 9am and 1pm. Cloudy, with a high near 30. Northwest wind 15 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A slight chance of snow before 11pm, then a slight chance of snow and freezing rain between 11pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 29. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Snow, mainly after 1am. Low around 24. South wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow before 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
A chance of snow before 1pm, then rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Summerhill PA
 40.42°N 78.77°W (Elev. 2182 ft)
Last Update:
1:36 am EST Feb 23, 2026
Forecast Valid:
3am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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