


Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Overcast
70°F
21°C
Humidity | 90% |
Wind Speed | NE 9 mph |
Barometer | 29.97 in (1013.6 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Last update | 17 Jun 3:54 pm EDT |
Extended Forecast for
3 Miles N Summerhill PA
Flood Watch June 17, 04:57pm until June 17, 10:00pm
Flash Flood Warning until June 17, 05:45pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 74 °F
Heavy Rain
Tonight
Low: 66 °F
Heavy Rain
then Showers
LikelyWednesday
High: 76 °F
Showers
Wednesday Night
Low: 68 °F
Chance
T-stormsJuneteenth
High: 75 °F
Chance
T-storms then
ShowersThursday Night
Low: 57 °F
Showers then
Partly CloudyFriday
High: 75 °F
Mostly Sunny
Friday Night
Low: 60 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 76. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 68. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 75. Southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers before 8pm. Low around 57. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N Summerhill PA
40.42°N 78.77°W (Elev. 2182 ft)
40.42°N 78.77°W (Elev. 2182 ft)
4:47 pm EDT Jun 17, 2025
4pm EDT Jun 17, 2025-6pm EDT Jun 24, 2025