September 8, 2026 4:04 AM

4 Semi Tractor-Trailers Overturned during a Severe Thunderstorm over the 15 Freeway

MIDWAY REST AREA, CA. (Pain In The Pass) >> A fast-moving weather system swept across parts of Northwestern San Bernardino County region over Interstate 15 Saturday late afternoon, bringing intense rain, thunder, lightning, and gusty winds that flipped semi-trucks.

A large thunderstorm system moved through, which unfolded on August 15, 2026 before 5pm on I-15 freeway and the Midway Rest Area exit. The pop-up thunderstorm caught many drivers off guard due to how quickly the conditions escalated.

The winds arrived quickly, leaving little time for drivers to react.

Events like this are a reminder of how quickly weather can shift in desert regions. While they don’t happen every day, they can develop fast enough to surprise even experienced drivers.

A thunderstorm cell can produce winds around 60 to 80+ mph gusts.

From the California Highway Patrol traffic log stated two semis’ tractor-trailers overturned on southbound I-15 just before the Midway Rest Area and at least two semi-trucks in the rest area.

No injuries were reported.

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Cajon Pass
4:04 am, Sep 8, 2026
temperature icon 68°F
broken clouds
Humidity: 72 %
Pressure: 1014 mb
Wind: 5 mph
Wind Gust: 6 mph
Clouds: 67%
Visibility: 10 km
Sunrise: 6:27 am
Sunset: 7:06 pm
  • Temperature
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66°/68°°F 0 mm 0% 1 mph 72% 1014 mb 0 mm/h
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69°/70°°F 0 mm 0% 1 mph 66% 1014 mb 0 mm/h
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74°/77°°F 0 mm 0% 3 mph 48% 1015 mb 0 mm/h
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84°/84°°F 0 mm 0% 2 mph 30% 1014 mb 0 mm/h
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85°/85°°F 0.37 mm 37% 3 mph 31% 1013 mb 0 mm/h
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76°/76°°F 0 mm 0% 4 mph 41% 1014 mb 0 mm/h
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74°/74°°F 0 mm 0% 1 mph 47% 1016 mb 0 mm/h
2:00 am
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71°/71°°F 0 mm 0% 1 mph 48% 1015 mb 0 mm/h