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NOAA's National Weather Service
Each location shows all alerts on one page:
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
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| Sierra County | ||
| Effective: Tue, 9/1 12:43am | Severity: Severe | |
| Updated: September 1, 2026 10:30 am | Urgency: Expected | |
| Expires: Tue, 9/1 11:00pm | Certainty: Likely | |
| Areas Affected: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties | ||
Alert
Details:
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF NE CALIFORNIA AND NW NEVADA... * CHANGES...None. * Affected Area...Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties. * Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph. Ridgetop gusts up to 50 mph. Winds shift to westerly in the late afternoon and evening. * Humidity...RH reductions to 10 to 15 percent in the afternoon. Nighttime recoveries of 40 to 70 percent Wednesday morning. * Duration...3 to 6 hours. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. Information: Avoid outdoor activities that can cause a spark near dry vegetation, such as yard work, target shooting, or campfires. Follow local fire restrictions. Check weather.gov/reno for updates and livingwithfire.info for preparedness tips. |
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| Sierra County | ||
| Effective: Mon, 8/31 1:21pm | Severity: Moderate | |
| Updated: September 1, 2026 10:30 am | Urgency: Expected | |
| Expires: Tue, 9/1 8:00pm | Certainty: Likely | |
| Areas Affected: Lassen-Eastern Plumas-Eastern Sierra Counties - Greater Lake Tahoe Area - Greater Lake Tahoe Area - Greater Reno-Carson City-Minden Area - Western Nevada Basin and Range including Pyramid Lake | ||
Alert
Details:
* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph. Wave heights up to 3 feet on Lake Tahoe and Pyramid Lake. * WHERE...Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, Greater Reno-Carson City-Minden Area, and Western Nevada Basin and Range including: Lake Tahoe, Pyramid Lake, Eagle Lake, Honey Lake, Lake Davis, Frenchman Lake, Stampede Reservoir, Donner Lake, Prosser and Boca Reservoirs, Washoe Lake, and Topaz Lake. * WHEN...From 11 AM to 8 PM PDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Information: Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind. |
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