Breaking

Weather

Helena, MT

Right Now
69°
Clear
  • Humidity: 36%
  • Feels Like: 69°
  • Heat Index: 69°
  • Wind: 3 mph
  • Wind Chill: 69°
  • UV Index: 7 High
  • Sunrise: 06:30:04 am
  • Sunset: 08:31:49 pm
  • Dew Point: 41°
  • Visibility: 5 mi

Today

Partly cloudy skies. High 91F. Winds WNW at 10 to 20 mph.

Tonight

Clear early followed by cloudy skies overnight. Low 61F. Winds WSW at 10 to 15 mph.

Tomorrow

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 87F. Winds WNW at 10 to 20 mph.

Weather Alert

MTC007-023-031-039-043-049-061-063-077-081-093-191500-

Air Quality Alert
Relayed by National Weather Service Great Falls MT
900 AM MDT Fri Aug 18 2017

...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

Weather Alert

MTZ112>118-190000-
/O.CON.KTFX.FW.W.0014.170818T1800Z-170819T1200Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Lincoln Ranger District of the Helena National Forest-
Central and Eastern Lewis and Clark National Forest Areas-
Helena and Townsend Ranger Districts of the Helena National Forest-
309 AM MDT Fri Aug 18 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 AM MDT
SATURDAY...

* IMPACTS: Low Humidities...Hot Temperatures...and Gusty Winds will
  create erratic fire behavior and an increased risk of new fire
  starts. Humidity recovery will be poor with continued gusty 
  winds for much of Friday night ahead of a Canadian cold front.

* AFFECTED AREA: 
  In North Central Montana Fire Zones...112...113...114...115
                                        117.
  In Southwest Montana Fire Zones...116...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.

* WIND: West 10 to 20 mph with gusts up to 30 mph Friday afternoon
  and evening, decreasing after midnight.

* HUMIDITY: As low as 12 percent Friday afternoon and evening.

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.

&&

$$

Next 12 Hours

Time
Temp
Precip
11 AM
74°
0%
11 AM
74°

Sunny

Wind: W @ 6mph

Precip: 0% Chance

Humidity: 28%

Wind Chill: 74°

Heat Index: 74°

UV Index: 4 Moderate

Visibility: 10 mi

12 PM
79°
0%
12 PM
79°

Sunny

Wind: W @ 7mph

Precip: 0% Chance

Humidity: 21%

Wind Chill: 79°

Heat Index: 79°

UV Index: 6 High

Visibility: 10 mi

1 PM
83°
0%
1 PM
83°

Sunny

Wind: WNW @ 9mph

Precip: 0% Chance

Humidity: 17%

Wind Chill: 83°

Heat Index: 83°

UV Index: 7 High

Visibility: 10 mi

2 PM
86°
0%
2 PM
86°

Sunny

Wind: WNW @ 12mph

Precip: 0% Chance

Humidity: 14%

Wind Chill: 86°

Heat Index: 86°

UV Index: 7 High

Visibility: 10 mi

3 PM
88°
0%
3 PM
88°

Sunny

Wind: WNW @ 13mph

Precip: 0% Chance

Humidity: 13%

Wind Chill: 88°

Heat Index: 88°

UV Index: 6 High

Visibility: 10 mi

4 PM
89°
0%
4 PM
89°

Sunny

Wind: W @ 15mph

Precip: 0% Chance

Humidity: 13%

Wind Chill: 89°

Heat Index: 89°

UV Index: 4 Moderate

Visibility: 10 mi

5 PM
89°
0%
5 PM
89°

Sunny

Wind: WNW @ 14mph

Precip: 0% Chance

Humidity: 13%

Wind Chill: 89°

Heat Index: 89°

UV Index: 3 Moderate

Visibility: 10 mi

6 PM
88°
0%
6 PM
88°

Sunny

Wind: WNW @ 14mph

Precip: 0% Chance

Humidity: 13%

Wind Chill: 88°

Heat Index: 88°

UV Index: 1 Low

Visibility: 10 mi

7 PM
86°
0%
7 PM
86°

Sunny

Wind: WNW @ 13mph

Precip: 0% Chance

Humidity: 15%

Wind Chill: 86°

Heat Index: 86°

UV Index: 0 Low

Visibility: 10 mi

8 PM
81°
0%
8 PM
81°

Sunny

Wind: WNW @ 9mph

Precip: 0% Chance

Humidity: 19%

Wind Chill: 81°

Heat Index: 81°

UV Index: 0 Low

Visibility: 10 mi

9 PM
76°
0%
9 PM
76°

Clear

Wind: W @ 8mph

Precip: 0% Chance

Humidity: 22%

Wind Chill: 76°

Heat Index: 76°

UV Index: 0 Low

Visibility: 10 mi

10 PM
75°
0%
10 PM
75°

Clear

Wind: WSW @ 8mph

Precip: 0% Chance

Humidity: 22%

Wind Chill: 75°

Heat Index: 75°

UV Index: 0 Low

Visibility: 10 mi