Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. 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

59°F

15°C

Humidity	67%
Wind Speed	S 10 mph
Barometer	30.04 in (1016.8 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	31 Mar 4:53 am EDT

More Information:

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

Extended Forecast for

Altoona PA

Overnight
Low: 58 °F
Slight Chance
Showers
Tuesday
High: 76 °F
Chance
Showers
Tuesday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 68 °F
Showers
Likely then
Showers
Wednesday Night
Low: 52 °F
Showers
Thursday
High: 71 °F
Showers
Likely
Thursday Night
Low: 56 °F
Showers
Likely then
Chance
Showers
Friday
High: 78 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 57 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

A slight chance of showers. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 76. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers likely, then showers and possibly a thunderstorm after 8am. High near 68. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. 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. Light northeast 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 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 71. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

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 57. Chance of precipitation is 30%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

Sunday

Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

Sunday Night

Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

Monday

Partly sunny, with a high near 51.