National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

51°F

11°C

Humidity 89%
Wind Speed SW 8 mph
Barometer 30.25 in (1024.9 mb)
Dewpoint 48°F (9°C)
Visibility 3.00 mi
Wind Chill48°F (9°C)
Last update 28 Apr 12:53 am EDT
Extended Forecast for

Altoona PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Light southeast wind.

    Mostly Cloudy

    Low: 50 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 81 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Mostly Clear

    Low: 58 °F

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the morning.

    Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Mostly Clear

    Low: 60 °F

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Showers

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 55. Chance of precipitation is 80%.

    Showers then
    Chance
    Showers

    Low: 55 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 54.

    Mostly Clear

    Low: 54 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Light southeast wind.
Sunday
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 55. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Altoona PA
 40.51°N 78.4°W (Elev. 1198 ft)
Last Update:
11:48 pm EDT Apr 27, 2024
Forecast Valid:
1am EDT Apr 28, 2024-6pm EDT May 4, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation