Helena, MT

4:06 AM MDT on August 19, 2017 (GMT -0600)
Capital High | | Change Station

Elev 3871 ft 46.62 °N, 112.05 °W | Updated 17 seconds ago

Partly Cloudy
Partly Cloudy
66.9 °F
Feels Like 66.9 °F
N
0.0
Wind Variable Wind from WSW

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.92 in
Visibility 8.0 miles
Clouds Clear
Dew Point 34 °F
Humidity 30%
Rainfall 0.00 in
Snow Depth Not available.
6:31 AM 8:30 PM
Waning Crescent, 7% visible
METAR KHLN 190953Z AUTO 32006KT 8SM CLR 20/01 A3000 RMK AO2 SLP130 T02000006
Pressure 29.92 in
Visibility 8.0 miles
Clouds Clear
Dew Point 34 °F
Humidity 30%
Rainfall 0.00 in
Snow Depth Not available.
6:31 AM 8:30 PM
Waning Crescent, 7% visible
METAR KHLN 190953Z AUTO 32006KT 8SM CLR 20/01 A3000 RMK AO2 SLP130 T02000006

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10-Day Weather Forecast

Almanac

Astronomy

Aug. 19, 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

State Highs State Lows

Community

WunderPhotos

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: 9:00 AM MDT Aug. 18, 2017 – National Weather Service

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

The Montana department of environmental quality has issued an air
quality alert for Broadwater, Deer Lodge, Gallatin, Granite,
Jefferson, Lewis And Clark, Mineral, Missoula, Powell, Ravalli, and
Silver Bow counties in effect until further notice due to increased
fire activity in west-central Montana. Fire activity is expected to
remain high under a red flag warning this afternoon. Air quality
impacts are expected to improve briefly this afternoon before
conditions deteriorate this evening. Impacts are most significant in
the Seeley Lake area. Smoke from the Rice Ridge fire is causing
hazardous air quality impacts 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
8/19/2017.

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 Arlee, Butte, Lolo, and
Philipsburg are unhealthy

As of 900am, particulate levels in Bozeman, Butte, Clearwater,
Drummond, Florence, Rock creek, Hamilton, Helena, and Lincoln are
unhealthy for sensitive groups

As of 900am, particulate levels in Frenchtown, Missoula, and Superior
are moderate

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 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




Fire Weather Warning
Issued: 3:28 AM MDT Aug. 19, 2017 – National Weather Service

... Red flag warning remains in effect until 6 am MDT early this
morning...

* impacts: although humidities will remain low through 6 am MDT,
winds will continue to decrease, limiting critical fire weather
conditions.

* Affected area:
in north central Montana fire zones... 112... 113... 114... 115
                                        117.
In southwest Montana fire zone... .118.

* Counties affected:
in central Montana, Cascade, Fergus, Judith Basin
                       Lewis And Clark, Meagher.
In north central Montana, Blaine, Chouteau, Glacier, hill
                             Liberty, Pondera, Teton, Toole.
In southwest Montana, Broadwater, Gallatin, Jefferson.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this red flag warning.



Http://weather.Gov/greatfalls


328 am MDT Sat Aug 19 2017

... Red flag warning remains in effect until 6 am MDT early this
morning...
... Red flag warning in effect from noon today to 9 PM MDT this
evening...

The National Weather Service in Great Falls has issued a red flag
warning, which is in effect from noon today to 9 PM MDT this
evening.

* Impacts: low humidities and gusty winds will return this
afternoon to create erratic fire behavior and an increased risk
of new fire starts.

* Affected area:
in southwest Montana, fire weather zone 116.

* Counties affected:
in central Montana, Lewis And Clark.
In southwest Montana, Jefferson.

* Wind: west winds increasing to 10 to 20 mph with gusts up to 30
mph this afternoon.

* Humidity: as low as 15 percent this afternoon and evening.

* Temperatures: warming into the upper 60s to mid 70s this
afternoon.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this red flag warning.






324 am MDT Sat Aug 19 2017

... Red flag warning remains in effect until 6 am MDT early this
morning...
... Red flag warning in effect from noon today to 9 PM MDT this
evening...

* affected area: fire zone 108 (east lolo). Fire zone 109
(bitterroot).

* Impacts: a dry cold front will stall over the area today,
bringing breezy and dry conditions, starting late morning on the
ridges and transitioning into the lower elevations by early
afternoon.

* Winds: west 15 to 20 mph with gusts to 30 mph through exposed
areas.

* Minimum humidities: 12 to 20 percent.






324 am MDT Sat Aug 19 2017

... Red flag warning remains in effect until 9 PM MDT this
evening...

* affected area: fire zone 110 (deerlodge/west beaverhead).

* Impacts/timing: a dry cold front will stall across the area
today, keeping dry and gusty conditions.

* Winds: west winds 15 to 20 mph with gusts to 30 mph through
exposed areas.

* Minimum humidities: 8 to 18 percent.