Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
3 Miles SE Portage PA
Flood Watch until September 5, 08:00am
NOW until 8:00am Sat
Flood Watch
This Afternoon
High: 76 °F
Showers
LikelyTonight
Low: 62 °F
Showers
Likely then
Chance
T-stormsSaturday
High: 72 °F
Chance
ShowersSaturday Night
Low: 54 °F
Partly Cloudy
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 52 °F
Mostly Clear
Labor Day
High: 71 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 62. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. North wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 54. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 70. East wind around 6 mph.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65. Breezy. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Portage PA
40.36°N 78.63°W (Elev. 2326 ft)
40.36°N 78.63°W (Elev. 2326 ft)
2:21 pm EDT Sep 4, 2026
2pm EDT Sep 4, 2026-6pm EDT Sep 10, 2026
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