Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Thunderstorm in Vicinity
68°F
20°C
| Humidity | 93% |
| Wind Speed | E 9 mph |
| Barometer | 30.18 in (1020.6 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 2 Sep 11:54 am EDT |
Extended Forecast for
Jerome PA
Severe T-storm Watch September 2, 12:18pm until September 2, 02:00pm
NOW until 2:00pm Wed

Severe T-storm Watch
This Afternoon

High: 85 °F
Severe
ThunderstormsTonight

Low: 68 °F
Chance
ShowersThursday
High: 84 °F
Slight Chance
Showers then
Severe
ThunderstormsThursday Night
Low: 67 °F
Severe
Thunderstorms
then Chance
ShowersFriday
High: 80 °F
Chance
Showers then
ShowersFriday Night
Low: 60 °F
Showers then
Slight Chance
ShowersSaturday

High: 75 °F
Mostly Sunny
Saturday Night

Low: 52 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 2pm, then a slight chance of showers after 2pm. Some of the storms could be severe and produce heavy rainfall. High near 85. West wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 67. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 80. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Jerome PA
40.21°N 78.97°W (Elev. 1883 ft)
40.21°N 78.97°W (Elev. 1883 ft)
11:56 am EDT Sep 2, 2026
12pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026



