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
1430 PST Thu Jan 22 2026
Official Sunrise Friday 653 PST
Official Sunset Friday 1700 PST
Forecaster: J Wood
.Forecast Summary...An area of low pressure is off the southern California coast this afternoon. It is heading southeast and will pass by to our south tomorrow. Skies will remain partly to mostly cloudy during this time. There's a slight chance of showers mainly for tomorrow night into Saturday morning. Gusty northerly winds will develop on Saturday as the low heads off to the east. High pressure will be over the region Sunday through Tuesday. A Pacific system will begin to approach on Wednesday providing an increase in clouds and wind.
---For The Nevada National Security Site---
.Tonight...Mostly cloudy. Northeast winds to 10 mph. Low temperatures 28 to 35 on the mesas, 27 to 32 on the dry lakes, 37 to 44 at the lower elevations, 43 at Mercury.
.Friday...Mostly cloudy. Northeast winds to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. High temperatures 40 to 48 on the mesas, 53 to 60 at the lower elevations, 57 at Mercury.
.Friday Night...Partly cloudy with a slight chance of showers. North winds 5 to 15 mph. Low temperatures 27 to 32 on the mesas, 35 to 40 on the dry lakes, 37 to 44 at the lower elevations, 42 at Mercury.
.Saturday...Partly cloudy with a slight chance of morning showers. Northwest winds 15 to 30 mph. High temperatures 38 to 45 on the mesas, 50 to 57 at the lower elevations, 53 at Mercury.
.Sunday...Mostly sunny. Northeast winds 5 to 15 mph. Low temperatures 23 to 30 on the mesas, 25 to 30 on the dry lakes, 28 to 35 at the lower elevations, 34 at Mercury. High temperatures 35 to 43 on the mesas, 48 to 55 at the lower elevations, 51 at Mercury.
.Monday...Partly cloudy. South winds 5 to 15 mph. Low temperatures 22 to 30 on the mesas, 20 to 25 on the dry lakes, 25 to 32 at the lower elevations, 30 at Mercury. High temperatures 37 to 44 on the mesas, 50 to 57 at the lower elevations, 53 at Mercury.
.Tuesday...Mostly sunny. Southwest winds 5 to 15 mph. Low temperatures 28 to 35 on the mesas, 20 to 25 on the dry lakes, 27 to 34 at the lower elevations, 32 at Mercury. High temperatures 40 to 47 on the mesas, 55 to 62 at the lower elevations, 57 at Mercury.
.Wednesday...Partly cloudy. Southeast winds 10 to 25 mph. Low temperatures 32 to 40 on the mesas, 30 to 35 on the dry lakes, 33 to 40 at the lower elevations, 38 at Mercury. High temperatures 40 to 47 on the mesas, 55 to 62 at the lower elevations, 58 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
1430 PST Thu Jan 22 2026
Official Sunrise Friday 653 PST
Official Sunset Friday 1700 PST
Forecaster: J Wood
NNSS Forecast Weather Threat Matrix
Fri 1/23
Sat 1/24
Sun 1/25
Mon 1/26
Tue 1/27
Wed 1/28
None.
Wind.
None.
None.
None.
None.
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
.Forecast Summary...An area of low pressure is off the southern California coast this afternoon. It is heading southeast and will pass by to our south tomorrow. Skies will remain partly to mostly cloudy during this time. There's a slight chance of showers mainly for tomorrow night into Saturday morning. Gusty northerly winds will develop on Saturday as the low heads off to the east. High pressure will be over the region Sunday through Tuesday. A Pacific system will begin to approach on Wednesday providing an increase in clouds and wind.
---For The Nevada National Security Site---
.Tonight...Mostly cloudy. Northeast winds to 10 mph. Low temperatures 28 to 35 on the mesas, 27 to 32 on the dry lakes, 37 to 44 at the lower elevations, 43 at Mercury.
.Friday...Mostly cloudy. Northeast winds to 10 mph in the morning becoming southwest 5 to 15 mph in the afternoon. High temperatures 40 to 48 on the mesas, 53 to 60 at the lower elevations, 57 at Mercury.
.Friday Night...Partly cloudy with a slight chance of showers. North winds 5 to 15 mph. Low temperatures 27 to 32 on the mesas, 35 to 40 on the dry lakes, 37 to 44 at the lower elevations, 42 at Mercury.
.Saturday...Partly cloudy with a slight chance of morning showers. Northwest winds 15 to 30 mph. High temperatures 38 to 45 on the mesas, 50 to 57 at the lower elevations, 53 at Mercury.
.Sunday...Mostly sunny. Northeast winds 5 to 15 mph. Low temperatures 23 to 30 on the mesas, 25 to 30 on the dry lakes, 28 to 35 at the lower elevations, 34 at Mercury. High temperatures 35 to 43 on the mesas, 48 to 55 at the lower elevations, 51 at Mercury.
.Monday...Partly cloudy. South winds 5 to 15 mph. Low temperatures 22 to 30 on the mesas, 20 to 25 on the dry lakes, 25 to 32 at the lower elevations, 30 at Mercury. High temperatures 37 to 44 on the mesas, 50 to 57 at the lower elevations, 53 at Mercury.
.Tuesday...Mostly sunny. Southwest winds 5 to 15 mph. Low temperatures 28 to 35 on the mesas, 20 to 25 on the dry lakes, 27 to 34 at the lower elevations, 32 at Mercury. High temperatures 40 to 47 on the mesas, 55 to 62 at the lower elevations, 57 at Mercury.
.Wednesday...Partly cloudy. Southeast winds 10 to 25 mph. Low temperatures 32 to 40 on the mesas, 30 to 35 on the dry lakes, 33 to 40 at the lower elevations, 38 at Mercury. High temperatures 40 to 47 on the mesas, 55 to 62 at the lower elevations, 58 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.