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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

31°F

-1°C

Humidity 85%
Wind Speed NW 18 mph
Barometer 30.21 in (1024.6 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill19°F (-7°C)
Last update 24 Dec 7:54 am EST
Extended Forecast for

3 Miles SW Revloc PA

Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Partly sunny, with a high near 39. Northwest wind 6 to 13 mph, with gusts as high as 28 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Christmas Day

    Christmas Day: A chance of rain before 1pm. Mostly cloudy, with a high near 43. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. North wind around 6 mph becoming light and variable.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow and freezing rain before 1pm, then freezing rain, possibly mixed with sleet. High near 31. Southeast wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

    High: 31 °F

    Chance Wintry
    Mix then
    Wintry Mix

  • Friday Night

    Friday Night: Freezing rain before 4am, then a chance of rain. Low around 27. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 27 °F

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Saturday

    Saturday: A chance of rain before 7am. Cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 39. Northwest wind 6 to 13 mph, with gusts as high as 28 mph.
Tonight
A chance of rain, mainly after 4am. Cloudy, with a low around 31. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 30%.
Christmas Day
A chance of rain before 1pm. Mostly cloudy, with a high near 43. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 24. North wind around 6 mph becoming light and variable.
Friday
A chance of snow and freezing rain before 1pm, then freezing rain, possibly mixed with sleet. High near 31. Southeast wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Freezing rain before 4am, then a chance of rain. Low around 27. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of rain before 7am. Cloudy, with a high near 39. Chance of precipitation is 30%.
Saturday Night
A chance of rain after 1am. Cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
Rain. High near 45. Chance of precipitation is 90%.
Sunday Night
Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 20. Breezy. Chance of precipitation is 70%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Breezy. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 21. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Revloc PA
 40.46°N 78.79°W (Elev. 1798 ft)
Last Update:
7:16 am EST Dec 24, 2025
Forecast Valid:
8am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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