Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
28°F
-2°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.09 in (1021.2 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 25 Dec 10:54 pm EST |
Extended Forecast for
Johnstown PA
Ice Storm Warning December 26, 10:00am until December 27, 07:00am
Tonight
Low: 26 °F
Increasing
CloudsFriday
High: 33 °F
Chance
Freezing Rain
then Wintry
MixFriday Night
Low: 31 °F
Rain/Sleet
then ShowersSaturday
High: 40 °F
Mostly Cloudy
Saturday Night
Low: 30 °F
Mostly Cloudy
Sunday
High: 51 °F
Chance
Showers then
ShowersSunday Night
Low: 37 °F
Showers
Monday
High: 52 °F
Showers then
Rain/SnowMonday Night
Low: 18 °F
Chance Snow
Showers
Detailed Forecast
Tonight
Increasing clouds, with a low around 26. Calm wind.
Friday
Freezing rain likely, possibly mixed with sleet before 2pm, then rain showers between 2pm and 3pm, then sleet after 3pm. The sleet could be heavy at times. High near 33. Southeast wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New ice accumulation of 0.1 to 0.3 of an inch possible. New sleet accumulation of less than a half inch possible.
Friday Night
Rain showers and sleet, becoming all rain after 7pm. Low around 31. Southeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 40. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 30. Calm wind.
Sunday
Showers, mainly after 1pm. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 37. Chance of precipitation is 90%.
Monday
Rain showers before 1pm, then a chance of rain and snow showers. High near 52. Chance of precipitation is 80%.
Monday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 20.
New Year's Day
Mostly cloudy, with a high near 30.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johnstown PA
40.32°N 78.93°W (Elev. 1670 ft)
40.32°N 78.93°W (Elev. 1670 ft)
10:06 pm EST Dec 25, 2025
11pm EST Dec 25, 2025-6pm EST Jan 1, 2026
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