Nevada National Security Site Weather Forecast
Air Resources Laboratory/Special Operations and Research Division
1430 PST Mon Feb 9 2026
Official Sunrise Tuesday 638 PST
Official Sunset Tuesday 1719 PST
Forecaster: J Wood
NNSS Forecast Weather Threat Matrix
Tue 2/10
Wed 2/11
Thu 2/12
Fri 2/13
Sat 2/14
Sun 2/15
Wind.
Wind/showers.
None.
None.
None.
Showers/Wind.
Threat/Impacts Legend
None/Low
Minor
Moderate
Major
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Forecast Summary...A Pacific storm is approaching the California coast and is already spreading high clouds over the region. They will continue to increase tomorrow leading to showers developing tomorrow night and lasting into Wednesday. They will be generally light with snow for the highest elevations. It will also be windy tomorrow and Wednesday. Conditions will improve on Thursday leaving our area cooler with northerly breezes. Friday and Saturday will be uneventful with high pressure over the region. A cold storm is currently forecast to arrive on Sunday. It will be accompanied by gusty winds, showers and cool temperatures resulting in low snow levels. Unsettled conditions look to continue into next week.
---For The Nevada National Security Site---
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Tonight...Mostly cloudy. East to southeast winds 5 to 15 mph. Low temperatures 35 to 42 on the mesas, 35 to 40 on the dry lakes, 40 to 47 at the lower elevations, 47 at Mercury.
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Tuesday...Mostly cloudy. Southwest winds increasing to 15 to 25 mph with gusts to 40 mph by the afternoon. High temperatures 45 to 53 on the mesas, 61 to 68 at the lower elevations, 64 at Mercury.
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Tuesday Night...Cloudy with isolated showers. Snow level 6500 feet. South winds 15 to 30 mph. Low temperatures 30 to 38 on the mesas, 45 to 50 on the dry lakes, 44 to 51 at the lower elevations, 49 at Mercury.
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Wednesday...Partly cloudy with scattered showers. Snow level 6000 feet. South winds 15 to 25 mph with gusts to 35 mph. High temperatures 38 to 45 on the mesas, 53 to 60 at the lower elevations, 57 at Mercury.
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Thursday...Partly cloudy. Northwest winds 10 to 25 mph. Low temperatures 22 to 29 on the mesas, 30 to 35 on the dry lakes, 34 to 41 at the lower elevations, 40 at Mercury. High temperatures 38 to 45 on the mesas, 53 to 60 at the lower elevations, 56 at Mercury.
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Friday...Mostly sunny. Northeast winds 10 to 20 mph. Low temperatures 24 to 31 on the mesas, 30 to 35 on the dry lakes, 32 to 40 at the lower elevations, 38 at Mercury. High temperatures 43 to 50 on the mesas, 57 to 64 at the lower elevations, 60 at Mercury.
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Saturday...Partly cloudy. South winds 10 to 25 mph. Low temperatures 25 to 32 on the mesas, 35 to 40 on the dry lakes, 35 to 43 at the lower elevations, 42 at Mercury. High temperatures 45 to 52 on the mesas, 59 to 66 at the lower elevations, 62 at Mercury.
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Sunday...Mostly cloudy with a chance of showers. Snow level 5000 feet. Southwest winds 15 to 30 mph. Low temperatures 27 to 33 on the mesas, 40 to 45 on the dry lakes, 40 to 47 at the lower elevations, 45 at Mercury. High temperatures 37 to 44 on the mesas, 50 to 57 at the lower elevations, 54 at Mercury.
-End Forecast---J Wood
Weather questions or reports should be directed to the Duty Forecaster at 5-1255.