Darby, MT

5:37 PM MDT on August 20, 2017 (GMT -0600)
West Hamilton Nighthawk | | Change Station
Active Advisory: Air Quality Alert

Elev 3848 ft 46.24 °N, 114.20 °W | Updated 32 seconds ago

Partly Cloudy
Partly Cloudy
78.3 °F
Feels Like 78 °F
N
3.0
Wind Variable Wind from ENE

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.96 in
Visibility 9.0 miles
Clouds Clear
Heat Index 78 °F
Dew Point 38 °F
Humidity 24%
Rainfall 0.00 in
Snow Depth Not available.
6:42 AM 8:36 PM
Waning Crescent, 1% visible
METAR KMSO 202253Z 16005KT 9SM CLR 26/00 A3000 RMK AO2 SLP146 T02610000
Pressure 29.96 in
Visibility 9.0 miles
Clouds Clear
Heat Index 78 °F
Dew Point 38 °F
Humidity 24%
Rainfall 0.00 in
Snow Depth Not available.
6:42 AM 8:36 PM
Waning Crescent, 1% visible
METAR KMSO 202253Z 16005KT 9SM CLR 26/00 A3000 RMK AO2 SLP146 T02610000

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10-Day Weather Forecast

Almanac

Astronomy

Aug. 20, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

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Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Air Quality Alert
Issued: 9:15 AM MDT Aug. 20, 2017 – National Weather Service

... Air quality alert in effect until 900am MDT Monday...

The Montana department of environmental quality has issued an air
quality alert for Granite, Missoula, and Ravalli counties in effect
until further notice due to fire activity in west-central Montana.
Air quality is expected to deteriorate this morning before improving
briefly this afternoon. Smoke from the Lolo Peak fire is causing poor
air quality in the northern Bitterroot valley and Missoula. Smoke
from the Rice Ridge fire is causing hazardous air quality in Seeley
Lake between midnight and noon. The Missoula city-County health
department recommends residents spend as little night time as
possible in Seeley Lake due to the dangerous overnight pollution
levels. This alert will be updated again at 900am 8/21/2017.

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 900am, particulate levels in Seeley Lake are hazardous

As of 900am, particulate levels in Florence are very unhealthy

As of 900am, particulate levels in Philipsburg are unhealthy

As of 900am, particulate levels in Hamilton are unhealthy for
sensitive groups

As of 900am, particulate levels in Missoula are moderate, but
increasing

When air quality is hazardous... state and local health officials
recommend that everyone should avoid any outdoor exertion; people
with respiratory or heart disease, the elderly, and children should
remain indoors.

When air quality is very unhealthy... state and local health
officials recommend that people with respiratory or heart disease,
the elderly, and children should avoid any outdoor activity; everyone
else should avoid prolonged exertion.

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.

When air quality is unhealthy for sensitive groups... state and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.

When air quality is moderate... state and local health officials
recommend that unusually sensitive people should consider reducing
prolonged or heavy exertion.

For more information visit the Montana department of environmental
quality at www.Todaysair.Mt.Gov