Crack Zero

Is Crack Zero open right now?

Closure in the area

There's a closure order in Mountaintop Ranger District. It doesn't name Crack Zero, so check the source for the area it covers.

• Radford Fire Closure Area

  Agency closure covering Mountaintop Ranger District · Order 05-12-52-24-06 · USFS · Mountaintop Ranger District

• Safety Alert - Falling Rocks at Bonita Falls

  Agency alert covering San Bernardino National Forest · USFS · San Bernardino National Forest

• Fire Restrictions

  Agency alert covering San Bernardino National Forest · Order 05-12-00-26-05 · USFS · San Bernardino National Forest

As of Oct 24, 12:15 am PDT · Source: USFS · Mountaintop Ranger District. Agencies don't list every closure — check before you go.

Best time to visit Crack Zero

Best months: April–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   44° / 29°

   6 wet · 1 snow

2. Feb

   45° / 30°

   6 wet · 1 snow

3. Mar

   52° / 32°

   6 wet · 1 snow

4. Apr

   60° / 36°

   4 wet · 1 snow

5. May

   67° / 41°

   2 wet

6. Jun

   76° / 49°

   1 wet

7. Jul

   81° / 57°

   1 wet

8. Aug

   82° / 57°

   1 wet

9. Sep

   74° / 52°

   1 wet

10. Oct

    63° / 43°

    2 wet

11. Nov

    52° / 34°

    3 wet

12. Dec

    43° / 29°

    5 wet · 1 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Arrowhead, CA, 5.5 mi away at 5,205 ft. The station sits about 600 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.