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: Fair 73°F 2025-06-24T01:53:00-04:00
Overnight 2025-06-24, Clear. Clear, with a low around 73. Calm wind.
Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 95. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 71. Light west wind.
Wednesday 2025-06-25, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-06-26, Chance Showers then Showers Likely. 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. Partly sunny, with a high near 87. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-26, Showers Likely. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday 2025-06-27, Mostly Cloudy then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Friday Night 2025-06-27, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday 2025-06-28, Chance T-storms then T-storms. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Saturday Night 2025-06-28, T-storms then Chance T-storms. Showers and thunderstorms. Low around 69. Chance of precipitation is 80%.
Sunday 2025-06-29, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Sunday Night 2025-06-29, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday 2025-06-30, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Current condition: Fair 73°F 2025-06-24T01:53:00-04:00 
Overnight 2025-06-24, Clear. Clear, with a low around 73. Calm wind.
Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 95. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 71. Light west wind.Wednesday 2025-06-25, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday 2025-06-26, Chance Showers then Showers Likely. 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. Partly sunny, with a high near 87. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-26, Showers Likely. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.Friday 2025-06-27, Mostly Cloudy then Showers Likely. Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Friday Night 2025-06-27, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday 2025-06-28, Chance T-storms then T-storms. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Saturday Night 2025-06-28, T-storms then Chance T-storms. Showers and thunderstorms. Low around 69. Chance of precipitation is 80%.
Sunday 2025-06-29, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Monday 2025-06-30, Chance Showers then Showers Likely. Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.