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 Fri Jan 30 2026
Official Sunrise Saturday 647 PST
Official Sunset Saturday 1708 PST
Forecaster: J Wood
.Forecast Summary...High pressure will be over the region through next week. There will be high clouds at times otherwise; afternoon temperatures will be above normal and winds will be generally light. Morning lows will be seasonably cool. There are indications that a more active pattern may develop during the second week in February.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Northeast winds 5 to 15 mph. Low temperatures 34 to 42 on the mesas, 25 to 30 on the dry lakes, 38 to 45 at the lower elevations, 44 at Mercury.
.Saturday...Partly cloudy. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 48 to 55 on the mesas, 63 to 70 at the lower elevations 66 at Mercury.
.Saturday Night...Fair. Northeast winds to 10 mph. Low temperatures 35 to 43 on the mesas, 25 to 30 on the dry lakes, 40 to 47 at the lower elevations, 47 at Mercury.
.Sunday...Partly cloudy. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations 67 at Mercury.
.Monday...Partly cloudy. Northeast winds 5 to 15 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 42 to 49 at the lower elevations, 48 at Mercury. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations 68 at Mercury.
.Tuesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 46 at Mercury. High temperatures 50 to 57 on the mesas, 63 to 70 at the lower elevations 66 at Mercury.
.Wednesday...Mostly sunny. North winds 10 to 25 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 44 at Mercury. High temperatures 48 to 55 on the mesas, 62 to 69 at the lower elevations 65 at Mercury.
.Thursday...Mostly sunny. North winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 45 at Mercury. High temperatures 48 to 55 on the mesas, 62 to 69 at the lower elevations 64 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 Fri Jan 30 2026
Official Sunrise Saturday 647 PST
Official Sunset Saturday 1708 PST
Forecaster: J Wood
NNSS Forecast Weather Threat Matrix
Sat 1/31
Sun 2/01
Mon 2/02
Tue 2/03
Wed 2/04
Thu 2/05
None.
None.
None.
None.
None.
None.
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
.Forecast Summary...High pressure will be over the region through next week. There will be high clouds at times otherwise; afternoon temperatures will be above normal and winds will be generally light. Morning lows will be seasonably cool. There are indications that a more active pattern may develop during the second week in February.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Northeast winds 5 to 15 mph. Low temperatures 34 to 42 on the mesas, 25 to 30 on the dry lakes, 38 to 45 at the lower elevations, 44 at Mercury.
.Saturday...Partly cloudy. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 48 to 55 on the mesas, 63 to 70 at the lower elevations 66 at Mercury.
.Saturday Night...Fair. Northeast winds to 10 mph. Low temperatures 35 to 43 on the mesas, 25 to 30 on the dry lakes, 40 to 47 at the lower elevations, 47 at Mercury.
.Sunday...Partly cloudy. Northeast winds 5 to 15 mph in the morning becoming southeast 5 to 15 mph in the afternoon. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations 67 at Mercury.
.Monday...Partly cloudy. Northeast winds 5 to 15 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 42 to 49 at the lower elevations, 48 at Mercury. High temperatures 50 to 57 on the mesas, 64 to 71 at the lower elevations 68 at Mercury.
.Tuesday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 46 at Mercury. High temperatures 50 to 57 on the mesas, 63 to 70 at the lower elevations 66 at Mercury.
.Wednesday...Mostly sunny. North winds 10 to 25 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 44 at Mercury. High temperatures 48 to 55 on the mesas, 62 to 69 at the lower elevations 65 at Mercury.
.Thursday...Mostly sunny. North winds 10 to 20 mph. Low temperatures 32 to 40 on the mesas, 35 to 40 on the dry lakes, 41 to 48 at the lower elevations, 45 at Mercury. High temperatures 48 to 55 on the mesas, 62 to 69 at the lower elevations 64 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.