Weather Alerts For Harper, OR

# HEADLINE -------------------- MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM, WESTERN PAYETTE NATIONAL FOREST, EASTERN PAYETTE NATIONAL FOREST, NORTHERN BOISE NATIONAL FOREST, TREASURE VALLEY BLM, SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE, OWYHEE MOUNTAINS, WESTERN TWIN FALLS BLM, SOUTHERN HIGHLANDS, SOUTHERN GRASSLANDS, CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM, WHICH ARE FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, 672, 673 AND 674 # SUMMARY -------------------- A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering dry surface air will limit the rainfall amounts on Thursday, increasing concern for lightning ignitions. The National Weather Service in Boise has issued a Fire Weather Watch for lightning, which is in effect from Thursday afternoon through late Thursday night. # DETAILS -------------------- AFFECTED AREA In Idaho, Fire Weather Zones 400 Northern Boise BLM, 401 Western Payette National Forest, 402 Eastern Payette National Forest, 403 Northern Boise National Forest, 420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth NF, including the Camas Prairie, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. In Oregon, Fire Weather Zones 672 Southern Grasslands, 673 Central Canyonlands and 674 Northwestern Vale BLM. TIMING From Thursday afternoon through early Friday morning. THUNDERSTORMS Scattered coverage with abundant lightning. OUTFLOW WINDS Gusty erratic winds up to 40 mph. IMPACTS Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. ISSUED AT Tuesday, August 11, 2026 at 1:27 PM MDT ISSUED BY National Weather Service Boise ID HEADER URGENT - FIRE WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible Red Flag Warnings. # AREAS AFFECTED -------------------- Eastern Payette National Forest, Owyhee Mountains, Southern Boise/Western Sawtooth NF, including the Camas Prairie, Southern Grasslands, Treasure Valley BLM, Central Canyonlands, Northern Boise BLM, Northern Boise National Forest, Northwestern Vale BLM, Southern Highlands, Western Payette National Forest, Western Twin Falls BLM

# HEADLINE -------------------- AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Baker and Malheur Counties # DETAILS -------------------- WHAT High concentration of smoke particulates from wildfire smoke. WHERE Baker and Malheur Counties. WHEN UNTIL NOON PDT TODAY. IMPACTS Smoke can irritate the eyes, lungs and worsen some medical conditions. People most at risk to adverse health effects include infants, young children, people with heart or lung disease, older adults, and pregnant women. ADDITIONAL DETAILS Smoke levels can change rapidly depending on weather. Check current conditions on the Oregon Smoke Information Blog, DEQ's Air Quality Index, or by downloading the free OregonAIR app on your smartphone. ISSUED AT Monday, August 10, 2026 at 10:29 AM MDT ISSUED BY Relayed by National Weather Service Boise ID HEADER Air Quality Alert Message | Idaho Department of Environmental Quality | Oregon Department of Environmental Quality # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- - Stay inside if possible. Keep windows and doors closed. - Avoid strenuous outdoor activity. - Use high efficiency particulate air (HEPA) filters in indoor ventilation systems or portable air purifiers. - Be aware of smoke in your area and avoid places with the highest levels. - If you have heart or lung disease, or asthma, follow your healthcare provider's advice. For current Oregon air quality conditions, please visit: https://aqi.oregon.gov For additional information, please visit: https://www.oregon.gov/deq # AREAS AFFECTED -------------------- Baker, Malheur

Air Quality Index: 58 Air Quality Level: moderate Be careful when outside today, some pollutants in the air.