May 17, 2026 11:13 AM

Rain Showers and Thunderstorms on Tuesday

BIG BEAR, CA. (Pain In The Pass) >> The Southern California Weather Force has issued a Weather Advisory effective this afternoon/evening for the Eastern San Bernardino Mountains, Big Bear area, Lucerne Valley, and could move over to Stateline/Las Vegas area of Interstate 15.

A weather advisory means that conditions are favorable for a chance of rain showers or thunderstorms for the mountains and the desert area today. This will work with heating of the day and convergence over the Eastern San Bernardino County Mountains around Big Bear this afternoon. A thunderstorm watch or warning may be issued for parts of the county. Check back for a update if thing change fast.

A pop-up isolated thunderstorm is possible in and around Southern California, with outflow going north through Lucerne and meeting up near Barstow this evening for another chance of a pop-up storm.  There is a threat of dry lightning due to the limited of rainfall is expected from these storms, in which could start new wildfires.

An Advisory or Warning may be issued at any time this so check for updates in the Pain In The Pass Group for traffic/weather updates or the Southern California Weather Force for weather update. 

Remember lightning can happen ANYWHERE! So when thunder roars, go indoors! It’s the only safe place when lightning strikes. Also remember if you encounter a flooded roadway turn around, don’t drown.

The “Good News” this could potentially leading to some nice sunsets!

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Cajon Pass
11:13 am, May 17, 2026
temperature icon 65°F
scattered clouds
Humidity: 46 %
Pressure: 1006 mb
Wind: 11 mph
Wind Gust: 18 mph
Clouds: 42%
Visibility: 10 km
Sunrise: 5:45 am
Sunset: 7:46 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
57°/65°°F 0 mm 0% 8 mph 46% 1006 mb 0 mm/h
2:00 pm
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61°/64°°F 0 mm 0% 15 mph 44% 1005 mb 0 mm/h
5:00 pm
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58°/61°°F 0 mm 0% 12 mph 41% 1003 mb 0 mm/h
8:00 pm
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53°/53°°F 0 mm 0% 8 mph 61% 1004 mb 0 mm/h
11:00 pm
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52°/52°°F 0 mm 0% 8 mph 62% 1007 mb 0 mm/h
2:00 am
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51°/51°°F 0 mm 0% 11 mph 32% 1008 mb 0 mm/h
5:00 am
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49°/49°°F 0 mm 0% 8 mph 26% 1010 mb 0 mm/h
8:00 am
temperature icon
56°/56°°F 0 mm 0% 12 mph 18% 1012 mb 0 mm/h