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 Thu Oct 23 2025
Official Sunrise Friday 601 PST
Official Sunset Friday 1656 PST
Forecaster: J Wood
.Forecast Summary...It's a breezy afternoon under mostly sunny skies. These winds will be on the decrease this evening setting the stage for a cool night. High clouds will be on the increase tomorrow. These are in advance of a Pacific storm that will pass by to the north this weekend. It will still provide variable amounts of clouds and a modest increase in winds. Looking ahead to next week, high pressure will will provide a gradual warming trend under sunny skies.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Northeast winds 5 to 15 mph. Low temperatures 43 to 50 on the mesas, 35 to 40 on the dry lakes, 50 to 57 at the lower elevations, 56 at Mercury.
.Friday...Increasing high clouds. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 60 to 67 on the mesas, 74 to 81 at the lower elevations, 77 at Mercury.
.Friday Night...Mostly cloudy. Evening south winds 5 to 15 mph becoming northeast 5 to 15 mph overnight. Low temperatures 40 to 48 on the mesas, 45 to 50 on the dry lakes, 51 to 58 at the lower elevations, 57 at Mercury.
.Saturday...Mostly cloudy. Variable winds 5 to 15 mph in the morning becoming southwest 10 to 20 mph with gusts to 30 mph in the afternoon. High temperatures 60 to 68 on the mesas, 75 to 82 at the lower elevations, 78 at Mercury.
.Sunday...Partly cloudy. West winds 15 to 30 mph. Low temperatures 33 to 40 on the mesas, 45 to 50 on the dry lakes, 45 to 53 at the lower elevations, 52 at Mercury. High temperatures 50 to 58 on the mesas, 65 to 73 at the lower elevations, 69 at Mercury.
.Monday...Mostly sunny. Northwest winds 10 to 25 mph. Low temperatures 31 to 38 on the mesas, 45 to 50 on the dry lakes, 44 to 51 at the lower elevations, 50 at Mercury. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations, 67 at Mercury.
.Tuesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 29 to 36 on the mesas, 40 to 45 on the dry lakes, 43 to 50 at the lower elevations, 48 at Mercury. High temperatures 53 to 60 on the mesas, 67 to 74 at the lower elevations, 70 at Mercury.
.Wednesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 43 to 50 at the lower elevations, 50 at Mercury. High temperatures 56 to 63 on the mesas, 70 to 77 at the lower elevations, 73 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.
Air Resources Laboratory/Special Operations and Research Division
1400 PST Thu Oct 23 2025
Official Sunrise Friday 601 PST
Official Sunset Friday 1656 PST
Forecaster: J Wood
NNSS Forecast Weather Threat Matrix
Fri 10/24
Sat 10/25
Sun 10/26
Mon 10/27
Tue 10/28
Wed 10/29
None.
Wind.
Wind.
None.
None.
None.
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
.Forecast Summary...It's a breezy afternoon under mostly sunny skies. These winds will be on the decrease this evening setting the stage for a cool night. High clouds will be on the increase tomorrow. These are in advance of a Pacific storm that will pass by to the north this weekend. It will still provide variable amounts of clouds and a modest increase in winds. Looking ahead to next week, high pressure will will provide a gradual warming trend under sunny skies.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Northeast winds 5 to 15 mph. Low temperatures 43 to 50 on the mesas, 35 to 40 on the dry lakes, 50 to 57 at the lower elevations, 56 at Mercury.
.Friday...Increasing high clouds. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 60 to 67 on the mesas, 74 to 81 at the lower elevations, 77 at Mercury.
.Friday Night...Mostly cloudy. Evening south winds 5 to 15 mph becoming northeast 5 to 15 mph overnight. Low temperatures 40 to 48 on the mesas, 45 to 50 on the dry lakes, 51 to 58 at the lower elevations, 57 at Mercury.
.Saturday...Mostly cloudy. Variable winds 5 to 15 mph in the morning becoming southwest 10 to 20 mph with gusts to 30 mph in the afternoon. High temperatures 60 to 68 on the mesas, 75 to 82 at the lower elevations, 78 at Mercury.
.Sunday...Partly cloudy. West winds 15 to 30 mph. Low temperatures 33 to 40 on the mesas, 45 to 50 on the dry lakes, 45 to 53 at the lower elevations, 52 at Mercury. High temperatures 50 to 58 on the mesas, 65 to 73 at the lower elevations, 69 at Mercury.
.Monday...Mostly sunny. Northwest winds 10 to 25 mph. Low temperatures 31 to 38 on the mesas, 45 to 50 on the dry lakes, 44 to 51 at the lower elevations, 50 at Mercury. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations, 67 at Mercury.
.Tuesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 29 to 36 on the mesas, 40 to 45 on the dry lakes, 43 to 50 at the lower elevations, 48 at Mercury. High temperatures 53 to 60 on the mesas, 67 to 74 at the lower elevations, 70 at Mercury.
.Wednesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 43 to 50 at the lower elevations, 50 at Mercury. High temperatures 56 to 63 on the mesas, 70 to 77 at the lower elevations, 73 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.