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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

38°F

3°C

Humidity 34%
Wind Speed S 16 G 25 mph
Barometer 30.14 in (1022.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 15 Mar 7:54 am EDT
Extended Forecast for

Brownstown PA

Wind Advisory March 15, 09:00am until March 16, 08:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Partly sunny, with a high near 57. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 46 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 47. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 48 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Rain showers before 5pm, then rain and snow showers. Some thunder is also possible. Temperature rising to near 61 by 11am, then falling to around 42 during the remainder of the day. South wind around 17 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 61 °F⇓

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers, possibly mixed with rain, becoming all snow after 11pm. Low around 20. Breezy, with a west wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers, mainly after 8am. Mostly cloudy, with a high near 30. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 57. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 46 mph.
Tonight
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 47. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 48 mph. Chance of precipitation is 40%.
Monday
Rain showers before 5pm, then rain and snow showers. Some thunder is also possible. Temperature rising to near 61 by 11am, then falling to around 42 during the remainder of the day. South wind around 17 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers, possibly mixed with rain, becoming all snow after 11pm. Low around 20. Breezy, with a west wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday
A chance of snow showers, mainly after 8am. Mostly cloudy, with a high near 30. Breezy, with a west wind 18 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.95°W (Elev. 1302 ft)
Last Update:
8:05 am EDT Mar 15, 2026
Forecast Valid:
8am EDT Mar 15, 2026-6pm EDT Mar 21, 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