I-99 weather conditions near Altoona, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Thunderstorm Light Rain 71°F 2025-07-14T13:53:00-04:00
This Afternoon 2025-07-14, T-storms. Showers and thunderstorms. High near 81. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight 2025-07-14, Chance T-storms and Patchy Fog then Patchy Dense Fog. A chance of showers and thunderstorms, mainly before 7pm. Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday 2025-07-15, Areas Dense Fog then Slight Chance T-storms. A slight chance of showers and thunderstorms between 2pm and 3pm. Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night 2025-07-15, Mostly Cloudy. Mostly cloudy, with a low around 68. Calm wind.
Wednesday 2025-07-16, Slight Chance T-storms then T-storms Likely. A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-07-16, T-storms Likely then Chance Showers. Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-07-17, Chance Showers then Chance T-storms. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Thursday Night 2025-07-17, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday 2025-07-18, Chance T-storms then Showers Likely. A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Friday Night 2025-07-18, Showers Likely then Mostly Cloudy. Showers likely before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday 2025-07-19, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night 2025-07-19, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday 2025-07-20, Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Current condition: Thunderstorm Light Rain 71°F 2025-07-14T13:53:00-04:00 
This Afternoon 2025-07-14, T-storms. Showers and thunderstorms. High near 81. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.Tonight 2025-07-14, Chance T-storms and Patchy Fog then Patchy Dense Fog. A chance of showers and thunderstorms, mainly before 7pm. Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday 2025-07-15, Areas Dense Fog then Slight Chance T-storms. A slight chance of showers and thunderstorms between 2pm and 3pm. Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night 2025-07-15, Mostly Cloudy. Mostly cloudy, with a low around 68. Calm wind.Wednesday 2025-07-16, Slight Chance T-storms then T-storms Likely. A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-07-16, T-storms Likely then Chance Showers. Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-07-17, Chance Showers then Chance T-storms. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Thursday Night 2025-07-17, Chance T-storms. A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.Friday 2025-07-18, Chance T-storms then Showers Likely. A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Friday Night 2025-07-18, Showers Likely then Mostly Cloudy. Showers likely before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday 2025-07-19, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night 2025-07-19, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday 2025-07-20, Showers Likely. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.