National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

59°F

15°C

Humidity 83%
Wind Speed SE 8 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 22 Jun 5:54 am EDT
Extended Forecast for

4 Miles W Sproul PA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe and produce heavy rainfall. High near 70. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Low around 57. Northwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind around 11 mph, with gusts as high as 23 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northwest wind 3 to 7 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 40%.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

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

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe and produce heavy rainfall. High near 70. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Low around 57. Northwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind around 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 73. Northwest wind 3 to 7 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 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 59.
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 W Sproul PA
 40.33°N 78.58°W (Elev. 2234 ft)
Last Update:
6:11 am EDT Jun 22, 2026
Forecast Valid:
6am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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