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

Hot Temperatures, Excessive Rainfall, and Severe Thunderstorms in the Eastern U.S.

Hot temperatures are expected again today along the Mid-Atlantic, Southeast, and lower Mississippi Valley. Heavy to excessive rainfall from thunderstorms today in parts of the Midwest to the Mid-Atlantic regions may bring areas of flooding. Severe thunderstorms pose a risk for damaging wind gusts across the Mid Atlantic region again today. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Partly Cloudy

83°F

28°C

Humidity 67%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1014.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 5 Jul 12:53 pm EDT
Extended Forecast for

Riddlesburg PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. High near 86. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then showers likely. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 11pm. Low around 67. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 79. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Areas Fog

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Patchy fog after 1am. Low around 65. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. High near 86. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before midnight, then showers likely. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 11pm. Low around 67. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 79. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Patchy fog after 1am. Low around 65. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Riddlesburg PA
 40.17°N 78.25°W (Elev. 1260 ft)
Last Update:
8:16 am EDT Jul 5, 2026
Forecast Valid:
1pm EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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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