Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

77°F

25°C

Humidity	85%
Wind Speed	S 3 mph
Barometer	30.13 in (1018.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	3 Jul 12:53 am EDT

More Information:

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

Extended Forecast for

Riddlesburg PA

Extreme Heat Warning July 3, 01:29am until July 3, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 3, 01:29am until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 75 °F
Mostly Clear
Friday
High: 97 °F
Hot
Friday Night
Low: 74 °F
Mostly Clear
Independence Day
High: 95 °F
Hot
Saturday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 89 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 68 °F
Showers
Likely
Monday
High: 82 °F
T-storms
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 75. Calm wind.

Friday

Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.

Independence Day

Sunny and hot, with a high near 95. Calm wind becoming west 5 to 7 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Monday

A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Tuesday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Wednesday

Partly sunny, with a high near 84.

Wednesday Night

Mostly cloudy, with a low around 64.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.