Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

63°F

17°C

Humidity 68%
Wind Speed W 3 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Apr 8:53 am EDT
Extended Forecast for

4 Miles WSW Fallentimber PA

  • Today

    Today: Showers likely and possibly a thunderstorm, mainly after 5pm.  Increasing clouds, with a high near 81. South wind 8 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could be severe.  Low around 39. Southwest wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Severe
    Thunderstorms
    then Showers

  • Sunday

    Sunday: A chance of showers, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 49. West wind 10 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a slight chance of snow showers after 2am.  Mostly cloudy, with a low around 31. West wind around 6 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of snow showers, mixing with rain after 11am, then gradually ending.  Mostly sunny, with a high near 43. Northwest wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Widespread frost after 3am.  Otherwise, mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm.  Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 81. South wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 39. Southwest wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 31. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Mostly sunny, with a high near 43. Northwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 24.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 49.
Friday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Fallentimber PA
 40.66°N 78.55°W (Elev. 1430 ft)
8:06 am EDT Apr 18, 2026
9am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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Additional Resources

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