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

69°F

21°C

Humidity 84%
Wind Speed SE 6 mph
Barometer 30.12 in (1018.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Aug 3:54 am EDT
Extended Forecast for

4 Miles NW Imler PA

Flood Watch August 16, 06:00am until August 16, 10:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 77. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 67. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northwest wind 3 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 77. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 67. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 59. Northwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Imler PA
 40.29°N 78.61°W (Elev. 1778 ft)
Last Update:
3:41 am EDT Aug 16, 2026
Forecast Valid:
4am EDT Aug 16, 2026-6pm EDT Aug 22, 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