I-99 weather conditions near Altoona, Pennsylvania

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fog/Mist 61°F 2025-05-14T23:53:00-04:00
• Overnight 2025-05-15, Showers Likely and Patchy Fog. Showers likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 59. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
• Thursday 2025-05-15, Chance Showers and Areas Fog then Chance T-storms. A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Thursday Night 2025-05-15, Chance T-storms then Showers Likely. A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 61. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
• Friday 2025-05-16, Showers. Showers and possibly a thunderstorm. High near 84. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
• Friday Night 2025-05-16, Showers Likely. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Saturday 2025-05-17, Showers. Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Saturday Night 2025-05-17, Showers Likely then Partly Cloudy. Showers likely before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 60%.
• Sunday 2025-05-18, Partly Sunny. Partly sunny, with a high near 69.
• Sunday Night 2025-05-18, Partly Cloudy. Partly cloudy, with a low around 48.
• Monday 2025-05-19, Mostly Sunny. Mostly sunny, with a high near 69.
• Monday Night 2025-05-19, Mostly Clear. Mostly clear, with a low around 43.
• Tuesday 2025-05-20, Mostly Sunny. Mostly sunny, with a high near 73.
• Tuesday Night 2025-05-20, Mostly Cloudy then Chance Showers. A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
• Wednesday 2025-05-21, Showers Likely. Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.