Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

63°F

17°C

Humidity	65%
Wind Speed	SW 13 mph
Barometer	30.06 in (1017.5 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	31 Mar 7:53 am EDT

More Information:

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

Extended Forecast for

Mc Connellstown PA

Today
High: 77 °F
Partly Sunny
then Slight
Chance
T-storms
Tonight
Low: 63 °F
Chance
T-storms
Wednesday
High: 71 °F
Showers
Wednesday Night
Low: 52 °F
Showers
Thursday
High: 70 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 53 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 79 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 56 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 81 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Today

A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, then showers and possibly a thunderstorm after 8am. High near 71. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 52. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

Sunday

Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

Monday

Partly sunny, with a high near 54.