Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Overcast
69°F
21°C
| Humidity | 90% |
| Wind Speed | S 7 mph |
| Barometer | 30.08 in (1017.2 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 8.00 mi |
| Last update | 16 Aug 6:54 am EDT |
Extended Forecast for
4 Miles SE Cassandra PA
Flood Watch until August 16, 10:00pm
NOW until 10:00pm Sun

Flood Watch
Today

High: 72 °F
Showers
Tonight
Low: 66 °F
Showers then
Chance
ShowersMonday
High: 73 °F
Slight Chance
T-storms then
Chance
ShowersMonday Night

Low: 58 °F
Partly Cloudy
Tuesday

High: 71 °F
Sunny
Tuesday Night

Low: 58 °F
Mostly Clear
Wednesday
High: 73 °F
Sunny then
Chance
T-stormsWednesday Night
Low: 59 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Today
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 72. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 66. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, mainly between noon and 3pm. Partly sunny, with a high near 73. West wind 11 to 13 mph, with gusts as high as 24 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 58. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 71. Northwest wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SE Cassandra PA
40.36°N 78.6°W (Elev. 2694 ft)
40.36°N 78.6°W (Elev. 2694 ft)
6:36 am EDT Aug 16, 2026
7am EDT Aug 16, 2026-6pm EDT Aug 22, 2026



