Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

63°F

17°C

Humidity	35%
Wind Speed	S 7 mph
Barometer	29.85 in (1010.9 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	21 Mar 5:53 pm EDT

More Information:

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

Extended Forecast for

Mapleton PA

Tonight
Low: 46 °F
Mostly Cloudy
Sunday
High: 77 °F
Mostly Sunny
then Severe
Thunderstorms
Sunday Night
Low: 40 °F
Severe
Thunderstorms
then Showers
Monday
High: 48 °F
Gradual
Clearing
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 49 °F
Sunny
Tuesday Night
Low: 33 °F
Mostly Cloudy
Wednesday
High: 55 °F
Partly Sunny
Wednesday Night
Low: 37 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 46. Calm wind becoming south around 6 mph after midnight.

Sunday

A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Increasing clouds, with a high near 77. South wind 6 to 10 mph becoming west in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 40. North wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Cloudy through mid morning, then gradual clearing, with a high near 48. Northwest wind around 11 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 28. Northwest wind 5 to 9 mph, with gusts as high as 22 mph.

Tuesday

Sunny, with a high near 49.

Tuesday Night

Mostly cloudy, with a low around 33.

Wednesday

Partly sunny, with a high near 55.

Wednesday Night

Mostly cloudy, with a low around 37.