Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

58°F

14°C

Humidity	93%
Wind Speed	W 7 mph
Barometer	29.87 in (1010.6 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	18 Apr 9:54 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SSE Carrolltown PA

Freeze Watch April 20, 12:00am until April 20, 09:00am

Freeze Watch April 21, 12:00am until April 21, 09:00am

Click here for hazard details and duration

Freeze Watch

Tonight
Low: 39 °F
Showers
Likely
Sunday
High: 47 °F
Chance Wintry
Mix then
Partly Sunny
Sunday Night
Low: 30 °F
Chance
Rain/Snow
then Chance
Snow Showers
Monday
High: 41 °F
Slight Chance
Snow Showers
Monday Night
Low: 23 °F
Mostly Clear
then Frost
Tuesday
High: 57 °F
Frost then
Sunny
Tuesday Night
Low: 44 °F
Chance
Showers
Wednesday
High: 65 °F
Chance
Showers
Wednesday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm. Cloudy, with a low around 39. Northwest wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of rain showers, snow showers, and sleet before 11am, then a slight chance of rain and snow showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 47. West wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 30. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday

A slight chance of snow showers before 2pm. Mostly sunny, with a high near 41. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Monday Night

Widespread frost after 3am. Otherwise, mostly clear, with a low around 23. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Tuesday

Widespread frost before 7am. Otherwise, sunny, with a high near 57.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

Wednesday

A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 43.

Thursday

Sunny, with a high near 72.

Thursday Night

Mostly clear, with a low around 50.