Air Resources Laboratory / Special Operations And Research Division (SORD)
Weather Advisories:
Nevada National Security Site Weather Forecast
Air Resources Laboratory/Special Operations and Research Division
1400 PST Mon Jun 23 2025
Official Sunrise Tuesday 426 PST
Official Sunset Tuesday 1908 PST
Forecaster: R Lantrip
.Forecast Summary...Temperatures will continue to run a few degrees below normal through tomorrow before climbing back to normal by mid-week. A ridge of high pressure will allow temperature to climb to above normal for the upcoming weekend. Conditions will remain dry through the period, while winds will follow the standard summertime diurnal pattern.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Southwest winds at 10 to 20 mph this afternoon and evening, winds become variable to 10 mph overnight. Low temperatures 42 to 50 on the mesas, 48 to 56 on the dry lakes, 57 to 65 at the lower elevations, 64 in Mercury.
.Tuesday...Mostly sunny. Southwest winds at 10 to 20 mph. High temperatures 70 to 78 on the mesas, 84 to 92 at the lower elevations, 88 in Mercury.
.Tuesday Night...Mostly clear. Variable winds to 10 mph. Low temperatures 45 to 52 on the mesas, 49 to 58 on the dry lakes, 59 to 67 at the lower elevations, 66 in Mercury.
.Wednesday...Sunny. Southwest winds at 10 to 20 mph. High temperatures 74 to 81 on the mesas, 87 to 96 at the lower elevations, 95 in Mercury.
.Thursday...Sunny. Southwest winds at 10 to 20 mph. Low temperatures 51 to 60 on the mesas, 47 to 55 on the dry lakes, 61 to 69 at the lower elevations, 69 in Mercury. High temperatures 77 to 85 on the mesas, 91 to 99 at the lower elevations, 95 in Mercury.
.Friday...Mostly sunny and breezy. Southwest winds at 15 to 30 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 71 in Mercury. High temperatures 80 to 87 on the mesas, 93 to 102 at the lower elevations, 98 in Mercury.
.Saturday...Mostly sunny. Southwest winds at 10 to 25 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 71 in Mercury. High temperatures 81 to 87 on the mesas, 94 to 103 at the lower elevations, 99 in Mercury.
.Sunday...Mostly sunny. Southwest winds at 10 to 20 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 72 in Mercury. High temperatures 80 to 87 on the mesas, 93 to 102 at the lower elevations, 98 in Mercury
-End Forecast---R Lantrip
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.
Air Resources Laboratory/Special Operations and Research Division
1400 PST Mon Jun 23 2025
Official Sunrise Tuesday 426 PST
Official Sunset Tuesday 1908 PST
Forecaster: R Lantrip
NNSS Forecast Weather Threat Matrix
Tue 6/24
Wed 6/25
Thu 6/26
Fri 6/27
Sat 6/28
Sun 6/29
None
None
None
Wind
None
None
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
.Forecast Summary...Temperatures will continue to run a few degrees below normal through tomorrow before climbing back to normal by mid-week. A ridge of high pressure will allow temperature to climb to above normal for the upcoming weekend. Conditions will remain dry through the period, while winds will follow the standard summertime diurnal pattern.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Southwest winds at 10 to 20 mph this afternoon and evening, winds become variable to 10 mph overnight. Low temperatures 42 to 50 on the mesas, 48 to 56 on the dry lakes, 57 to 65 at the lower elevations, 64 in Mercury.
.Tuesday...Mostly sunny. Southwest winds at 10 to 20 mph. High temperatures 70 to 78 on the mesas, 84 to 92 at the lower elevations, 88 in Mercury.
.Tuesday Night...Mostly clear. Variable winds to 10 mph. Low temperatures 45 to 52 on the mesas, 49 to 58 on the dry lakes, 59 to 67 at the lower elevations, 66 in Mercury.
.Wednesday...Sunny. Southwest winds at 10 to 20 mph. High temperatures 74 to 81 on the mesas, 87 to 96 at the lower elevations, 95 in Mercury.
.Thursday...Sunny. Southwest winds at 10 to 20 mph. Low temperatures 51 to 60 on the mesas, 47 to 55 on the dry lakes, 61 to 69 at the lower elevations, 69 in Mercury. High temperatures 77 to 85 on the mesas, 91 to 99 at the lower elevations, 95 in Mercury.
.Friday...Mostly sunny and breezy. Southwest winds at 15 to 30 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 71 in Mercury. High temperatures 80 to 87 on the mesas, 93 to 102 at the lower elevations, 98 in Mercury.
.Saturday...Mostly sunny. Southwest winds at 10 to 25 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 71 in Mercury. High temperatures 81 to 87 on the mesas, 94 to 103 at the lower elevations, 99 in Mercury.
.Sunday...Mostly sunny. Southwest winds at 10 to 20 mph. Low temperatures 55 to 63 on the mesas, 52 to 60 on the dry lakes, 64 to 72 at the lower elevations, 72 in Mercury. High temperatures 80 to 87 on the mesas, 93 to 102 at the lower elevations, 98 in Mercury
-End Forecast---R Lantrip
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.