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 91°F 2025-06-24T14:53:00-04:00
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 72. West wind around 6 mph becoming calm in the evening.
Wednesday 2025-06-25, Slight Chance T-storms then Showers Likely. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Showers Likely then Chance Showers and Patchy Fog. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter 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. Calm wind becoming west around 6 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.
Thursday Night 2025-06-26, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-27, Slight Chance T-storms then Showers Likely. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-06-27, Showers Likely. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday 2025-06-28, Chance Showers then T-storms. A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.
Saturday Night 2025-06-28, T-storms then Chance T-storms. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Sunday 2025-06-29, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night 2025-06-29, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday 2025-06-30, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Monday Night 2025-06-30, T-storms Likely then Showers Likely. Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday 2025-07-01, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Current condition: Fair 91°F 2025-06-24T14:53:00-04:00 
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 72. West wind around 6 mph becoming calm in the evening.Wednesday 2025-06-25, Slight Chance T-storms then Showers Likely. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Showers Likely then Chance Showers and Patchy Fog. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter 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. Calm wind becoming west around 6 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.
Thursday Night 2025-06-26, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Friday 2025-06-27, Slight Chance T-storms then Showers Likely. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday 2025-06-28, Chance Showers then T-storms. A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.
Saturday Night 2025-06-28, T-storms then Chance T-storms. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Sunday 2025-06-29, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night 2025-06-29, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.Monday 2025-06-30, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Monday Night 2025-06-30, T-storms Likely then Showers Likely. Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday 2025-07-01, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.