August 15, 2026 10:16 PM

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
10:16 pm, Aug 15, 2026
temperature icon 70°F
broken clouds
Humidity: 42 %
Pressure: 1019 mb
Wind: 13 mph
Wind Gust: 11 mph
Clouds: 78%
Visibility: 10 km
Sunrise: 6:10 am
Sunset: 7:37 pm
  • Temperature
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11:00 pm
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63°/70°°F 0 mm 0% 4 mph 42% 1019 mb 0 mm/h
2:00 am
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63°/67°°F 0 mm 0% 1 mph 46% 1019 mb 0 mm/h
5:00 am
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61°/64°°F 0 mm 0% 2 mph 45% 1018 mb 0 mm/h
8:00 am
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67°/67°°F 0 mm 0% 2 mph 28% 1018 mb 0 mm/h
11:00 am
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78°/78°°F 0 mm 0% 4 mph 23% 1017 mb 0 mm/h
2:00 pm
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83°/83°°F 0 mm 0% 13 mph 21% 1015 mb 0 mm/h
5:00 pm
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80°/80°°F 0 mm 0% 14 mph 23% 1014 mb 0 mm/h
8:00 pm
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71°/71°°F 0 mm 0% 5 mph 39% 1015 mb 0 mm/h