Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Rain Fog/Mist

53°F

12°C

Humidity 96%
Wind Speed W 8 mph
Barometer 30.22 in (1023.0 mb)
Dewpoint 52°F (11°C)
Visibility 4.00 mi
Wind Chill50°F (10°C)
Last update 10 Apr 9:54 pm EDT
Extended Forecast for

2 Miles N Brownstown PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am.  Mostly cloudy, with a low around 44. Northwest wind around 6 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 3 to 6 mph.

    High: 62 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 75. Southeast wind 5 to 7 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 76. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 8am.  Mostly cloudy, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 8pm.  Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 44. Northwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 40. Calm wind.
Sunday
Partly sunny, with a high near 75. Southeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 60. South wind 3 to 6 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers after 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Brownstown PA
 40.37°N 78.95°W (Elev. 1198 ft)
8:05 pm EDT Apr 10, 2026
10pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database