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
1330 PST Tue Jun 9 2026
Official Sunrise Wednesday 424 PST
Official Sunset Wednesday 1903 PST
Forecaster: J Wood
.Forecast Summary...A strong area of high pressure will build over the region for the remainder of the work week. High temperatures will be above normal with low 100's being observed at the lower elevations. Limited moisture may spread northward this weekend providing an increase in clouds. Cannot rule out a brief thunderstorm on Saturday. Sunny and hot conditions return early next week.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Evening southwest winds 10 to 20 mph becoming northeast 5 to 15 mph overnight. Low temperatures 57 to 64 on the mesas, 55 to 60 on the dry lakes, 60 to 67 at the lower elevations, 65 at Mercury.
.Wednesday...Mostly sunny and hot. Northeast winds to 10 mph in the morning becoming southwest 15 to 25 mph with gusts to 30 mph. High temperatures 80 to 88 on the mesas, 95 to 102 at the lower elevations, 97 at Mercury.
.Wednesday Night...Mostly clear. Evening southwest winds 10 to 20 mph becoming northeast 10 to 20 mph overnight. Low temperatures 62 to 69 on the mesas, 60 to 65 on the dry lakes, 67 to 74 at the lower elevations, 72 at Mercury.
.Thursday...Mostly sunny and hot. North winds 10 to 20 mph in the morning becoming southwest 5 to 15 mph in the afternoon. High temperatures 83 to 89 on the mesas, 96 to 102 at the lower elevations, 98 at Mercury.
.Friday...Partly cloudy and hot. Southwest winds 10 to 25 mph. Low temperatures 62 to 69 on the mesas, 61 to 66 on the dry lakes, 67 to 75 at the lower elevations, 74 at Mercury. High temperatures 82 to 89 on the mesas, 97 to 105 at the lower elevations, 101 at Mercury.
.Saturday...Partly cloudy with a slight chance of afternoon thunderstorms. Southwest winds 10 to 25 mph with higher gusts near thunderstorms. Low temperatures 63 to 70 on the mesas, 61 to 66 on the dry lakes, 67 to 74 at the lower elevations, 72 at Mercury. High temperatures 80 to 87 on the mesas, 95 to 102 at the lower elevations, 98 at Mercury.
.Sunday...Partly cloudy and hot. Southwest winds 10 to 25 mph. Low temperatures 61 to 68 on the mesas, 60 to 65 on the dry lakes, 66 to 73 at the lower elevations, 73 at Mercury. High temperatures 81 to 88 on the mesas, 96 to 103 at the lower elevations, 99 at Mercury.
.Monday...Mostly sunny and hot. Southwest winds 10 to 25 mph. Low temperatures 61 to 68 on the mesas, 60 to 65 on the dry lakes, 66 to 73 at the lower elevations, 71 at Mercury. High temperatures 80 to 87 on the mesas, 95 to 103 at the lower elevations, 98 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
1330 PST Tue Jun 9 2026
Official Sunrise Wednesday 424 PST
Official Sunset Wednesday 1903 PST
Forecaster: J Wood
NNSS Forecast Weather Threat Matrix
Wed 6/10
Thu 6/11
Fri 6/12
Sat 6/13
Sun 6/14
Mon 6/15
Heat/Wind.
Heat.
Heat.
Heat.
Heat.
Heat.
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
.Forecast Summary...A strong area of high pressure will build over the region for the remainder of the work week. High temperatures will be above normal with low 100's being observed at the lower elevations. Limited moisture may spread northward this weekend providing an increase in clouds. Cannot rule out a brief thunderstorm on Saturday. Sunny and hot conditions return early next week.
---For The Nevada National Security Site---
.Tonight...Mostly clear. Evening southwest winds 10 to 20 mph becoming northeast 5 to 15 mph overnight. Low temperatures 57 to 64 on the mesas, 55 to 60 on the dry lakes, 60 to 67 at the lower elevations, 65 at Mercury.
.Wednesday...Mostly sunny and hot. Northeast winds to 10 mph in the morning becoming southwest 15 to 25 mph with gusts to 30 mph. High temperatures 80 to 88 on the mesas, 95 to 102 at the lower elevations, 97 at Mercury.
.Wednesday Night...Mostly clear. Evening southwest winds 10 to 20 mph becoming northeast 10 to 20 mph overnight. Low temperatures 62 to 69 on the mesas, 60 to 65 on the dry lakes, 67 to 74 at the lower elevations, 72 at Mercury.
.Thursday...Mostly sunny and hot. North winds 10 to 20 mph in the morning becoming southwest 5 to 15 mph in the afternoon. High temperatures 83 to 89 on the mesas, 96 to 102 at the lower elevations, 98 at Mercury.
.Friday...Partly cloudy and hot. Southwest winds 10 to 25 mph. Low temperatures 62 to 69 on the mesas, 61 to 66 on the dry lakes, 67 to 75 at the lower elevations, 74 at Mercury. High temperatures 82 to 89 on the mesas, 97 to 105 at the lower elevations, 101 at Mercury.
.Saturday...Partly cloudy with a slight chance of afternoon thunderstorms. Southwest winds 10 to 25 mph with higher gusts near thunderstorms. Low temperatures 63 to 70 on the mesas, 61 to 66 on the dry lakes, 67 to 74 at the lower elevations, 72 at Mercury. High temperatures 80 to 87 on the mesas, 95 to 102 at the lower elevations, 98 at Mercury.
.Sunday...Partly cloudy and hot. Southwest winds 10 to 25 mph. Low temperatures 61 to 68 on the mesas, 60 to 65 on the dry lakes, 66 to 73 at the lower elevations, 73 at Mercury. High temperatures 81 to 88 on the mesas, 96 to 103 at the lower elevations, 99 at Mercury.
.Monday...Mostly sunny and hot. Southwest winds 10 to 25 mph. Low temperatures 61 to 68 on the mesas, 60 to 65 on the dry lakes, 66 to 73 at the lower elevations, 71 at Mercury. High temperatures 80 to 87 on the mesas, 95 to 103 at the lower elevations, 98 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.