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Arkansas, Mississippi, Tennessee Unknown Air Quality Alert | Effective 09/08/2026 18:00

AQAMEG The Shelby County Health Department has issued a Code Orange Ozone Forecast effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the city of Memphis for Wednesday. This ozone forecast is due to forecasted ozone values that will be unhealthy for sensitive groups. These values will exceed the Environmental Protection Agency's federal safe health standard. The Shelby County Health Department recommends that

Alaska Unknown Hydrologic Outlook | Effective 09/08/2026 17:48

ESFAFC Hydrologic Concerns: * High water coming down Kuskokwim River, in combination with strong south to southwesterly winds, could cause bankfull conditions or minor flooding along the Kuskokwim and Johnson Rivers during high tide. Locations: * Along Kuskokwim River, from Bethel south to Napakiak. * Along Johnson River, from Nunapitchuk and Kasigluk south to the Kuskokwim River. Timing: * Highest water levels will likely occur around high tide on Friday,

Alaska Unknown Hydrologic Outlook | Effective 09/08/2026 17:41

ESFAFC For communities along Kuskokwim River (Tuntutuliak): * High water coming down Kuskokwim River, in combination with storm surge flowing up river, could cause bankfull conditions or minor flooding during high tide. * Timing: Water levels will be highest during high tide, which will be from around 11 AM through 4 PM. For communities along the coast (Kongiganak, Kwigillingok, Kipnuk, Toksook Bay, Tununak): * Strong onshore winds could bring the potential for coastal erosion

Arkansas, Mississippi, Tennessee Unknown Air Quality Alert | Effective 09/08/2026 16:24

AQAMEG The Shelby County Health Department has issued a Code Red Ozone Health Advisory effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the City of Memphis that will remain in effect until sunset. This ozone health advisory is due to monitored ozone values that have reached unhealthy levels. These values have exceeded the Environmental Protection Agency's federal safe health standard. The Shelby County Health

Alaska Unknown Hydrologic Outlook | Effective 09/08/2026 15:16

ESFAFG ...Locations Impacted... Streams draining southern slopes of the Western Brooks Range. Incoming rainfall from a atmospheric river will bring rainfall to the southern slopes of the western end of the Brooks Range through Friday. Rainfall totals may exceed two inches in some locations and cause significant rises on small streams. The Kobuk, Noatak, and Wulik Rivers should also see rises from this system into the weekend, but no flooding is expected.

Arkansas, Mississippi, Tennessee Unknown Air Quality Alert | Effective 09/08/2026 15:02

AQAMEG The Shelby County Health Department has issued a Code Orange Ozone Health Advisory effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the city of Memphis that will remain in effect until sunset. This ozone health advisory is due to monitored ozone values that are unhealthy for sensitive groups. These values have exceeded the Environmental Protection Agency's federal safe health standard. The Shelby County

Illinois, Missouri Unknown Air Quality Alert | Effective 09/07/2026 23:42

The St. Louis Clean Air Partnership has issued an air quality alert for the St. Louis metropolitan area from 10 AM this morning to 8 PM CDT this evening. An Orange air quality forecast means that maximum ozone concentrations are expected to reach levels that pose a health risk. Adverse health effects increase as air quality deteriorates. Ground- level ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems.

Illinois, Missouri Unknown Air Quality Alert | Effective 09/07/2026 15:53

The St. Louis Clean Air Partnership has issued an air quality alert for the St. Louis metropolitan area from 10 AM to 8 PM CDT Tuesday. An Orange air quality forecast means that maximum ozone concentrations are expected to reach levels that pose a health risk. Adverse health effects increase as air quality deteriorates. Ground- level ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems.

Illinois, Missouri Unknown Air Quality Alert | Effective 09/07/2026 13:40

The St. Louis Clean Air Partnership has issued an air quality alert for the St. Louis metropolitan area from 10 AM to 8 PM CDT Tuesday. An Orange air quality forecast means that maximum ozone concentrations are expected to reach levels that pose a health risk. Adverse health effects increase as air quality deteriorates. Ground- level ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems.

Montana Unknown Hydrologic Outlook | Effective 09/07/2026 03:02

ESFMSO What: Widespread moderate rainfall over a prolonged period of time. Storm total amounts between 1 to 2 inches for valleys and 2 to 3 inches for the mountains. Where: Flathead and Lake Counties in northwest Montana, including Glacier National Park. Missoula county in west-central Montana. Timing: Continuing through Tuesday morning. The heaviest rainfall rates are anticipated today and tonight. Significant rainfall totals will bring potential for rapid rises on
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