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Severe Weather of July 18th, 2026

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

73°F

23°C

Humidity	87%
Wind Speed	SE 13 G 23 mph
Barometer	29.82 in (1008.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	2 Aug 2:54 pm EDT

More Information:

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

Extended Forecast for

Jerome PA

Flood Watch until August 3, 02:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until August 3, 02:00am
NOW until 2:00am Mon
Flood Watch
This Afternoon
High: 75 °F
T-storms
Tonight
Low: 66 °F
Heavy Rain
then Chance
Showers
Monday
High: 76 °F
Slight Chance
Showers
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 79 °F
Partly Sunny
Tuesday Night
Low: 61 °F
Partly Cloudy
Wednesday
High: 80 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 65 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 75. Southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 66. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A slight chance of showers before 1pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 76. West wind 3 to 8 mph. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 61.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.

Thursday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 81.