Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
A Few Clouds
70°F
21°C
| Humidity | 90% |
| Wind Speed | SW 7 mph |
| Barometer | 30.09 in (1017.2 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 9.00 mi |
| Last update | 10 Aug 4:54 am EDT |
Extended Forecast for
Saint Michael-Sidman PA
Overnight
Low: 65 °F
Chance
ShowersMonday
High: 81 °F
Chance
Showers then
Severe
ThunderstormsMonday Night
Low: 66 °F
Severe
Thunderstorms
then Chance
ShowersTuesday
High: 79 °F
Heavy Rain
Tuesday Night
Low: 64 °F
Heavy Rain
Wednesday
High: 78 °F
Showers
LikelyWednesday Night
Low: 64 °F
Showers
LikelyThursday
High: 78 °F
Partly Sunny
then Chance
ShowersThursday Night
Low: 61 °F
Chance
Showers then
Mostly Cloudy
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 81. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 66. West wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 79. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Michael-Sidman PA
40.33°N 78.75°W (Elev. 1696 ft)
40.33°N 78.75°W (Elev. 1696 ft)
3:11 am EDT Aug 10, 2026
5am EDT Aug 10, 2026-6pm EDT Aug 16, 2026
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