Weather Alert in Montana
Air Quality Alert issued September 6 at 8:39AM MDT by NWS Great Falls MT
AREAS AFFECTED: Beaverhead, MT; Deer Lodge, MT; Granite, MT; Lincoln, MT; Mineral, MT; Ravalli, MT; Sanders, MT
DESCRIPTION: AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Deer Lodge, Granite, Lincoln, Mineral, Ravalli, Sanders counties in effect until 9AM on 09/07/2025 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. An Air Quality Alert means that particulates have been trending upwards and that an exceedence of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. As of 7AM on 09/06/2025, particulate levels in Hamilton and Libby are Unhealthy for Sensitive Groups. As of 7AM on 09/06/2025, particulate levels in Billings, Butte, Columbia Falls, Dillon, Frenchtown, Helena, Lewistown, Missoula, Seeley Lake, Thompson Falls and West Yellowstone are Moderate. When air quality is Unhealthy...State and local health officials recommend that people with respiratory or heart disease...the elderly...and children should avoid prolonged exertion; everyone else should limit prolonged exertion. For more information visit the Montana Department of Environmental Quality at www.todaysair.mt.gov
INSTRUCTION: N/A
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Weather Topic: What is Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
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