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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fog/Mist

66°F

19°C

Humidity 96%
Wind Speed SW 8 mph
Barometer 29.92 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility 2.00 mi
Last update 22 Jun 1:54 pm EDT
Extended Forecast for

4 Miles WNW Sproul PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 71. Southwest wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 56. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 71. North wind around 11 mph, with gusts as high as 22 mph.

    High: 71 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind around 6 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 71. Southwest wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 56. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 71. North wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 73. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Sproul PA
 40.35°N 78.57°W (Elev. 2297 ft)
Last Update:
2:21 pm EDT Jun 22, 2026
Forecast Valid:
2pm EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation