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National Weather Service:
High Wind Warning





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Current Conditions - Helena, MT

Mostly Cloudy
31.5°
Mostly Cloudy
Wind: Calm
Dew Point: 19°F
Pressure: 30.29 in
Windchill: 32°F
Humidity: 59%
Visibility: 10.0 miles
Updated: 10:10 AM MST on December 05, 2008 at Diehl Heights, Helena, Montana()
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Forecast for Central and Southern Lewis and Clark

Rest of Today
Cloudy...windy. Highs 30 to 35. West winds 20 to 30 mph...with gusts to 55 mph.
Tonight
Cloudy. In the mountains...a 20 percent chance of snow...areas of blowing snow. In the valleys...a 20 percent chance of snow after midnight. Lows 25 to 35. West winds 15 to 25 mph with gusts to 45 mph.
Saturday
Cloudy in the morning...then becoming partly cloudy. A slight chance of snow in the morning...then a slight chance of rain in the afternoon. In the mountains...a chance of snow in the morning...then a chance of rain and snow in the afternoon...areas of blowing snow. Highs 35 to 45...30 to 35 in the mountains. West winds 15 to 25 mph...with gusts to 50 mph.

Conditions Nearby

  Conditions Temp Forecast: High / Low
Summerville Light Rain 55° 54° / 36°
Dorchester Light Rain 55° 54° / 36°
Saint George Overcast 56° 54° / 36°
Ridgeville Light Rain 55° 54° / 36°
Charleston Light Rain 55° 56° / 38°
Folly Beach Light Rain 55° 56° / 45°

5 Day Forecast for ZIP Code 59601

Friday Saturday Sunday Monday Tuesday
Mostly Cloudy Partly Cloudy Chance of Snow Chance of Snow Partly Cloudy
Mostly Cloudy Partly Cloudy Chance of Snow Chance of Snow Partly Cloudy
36° | 31°
Detail
Almanac		 40° | 29°
Detail
Almanac		 36° | 29°
Detail
Almanac		 38° | 25°
Detail
Almanac		 43° | 31°
Detail
Almanac

UV Index

  
1
 Fri 
  
1
 Sat 
  
1
 Sun 
More about UV

Extended Forecast for Central and Southern Lewis and Clark

Saturday Night
Mostly cloudy...with a 50 percent chance of snow. Lows around 30. West winds 10 to 20 mph.
Sunday
Mostly cloudy...with a chance of rain and snow. Highs 30 to 40. West winds 5 to 15 mph. Chance of precipitation 50 percent.
Sunday Night
Snow likely. Accumulations possible. Lows 20 to 30. Chance of snow 70 percent.
Monday
Mostly cloudy...with a 50 percent chance of snow showers. Highs 25 to 35.
Monday Night
Mostly cloudy...with a 40 percent chance of snow. Lows around 25.
Tuesday
Mostly cloudy...with a 20 percent chance of snow showers. Highs 30 to 40.
Tuesday Night
Mostly cloudy...with a 50 percent chance of rain and snow. Lows 30 to 35.
Wednesday
Mostly cloudy...with a 50 percent chance of rain and snow showers. Highs 35 to 45.
Wednesday Night
Mostly cloudy...with a 50 percent chance of snow. Windy. Lows 25 to 30.
Thursday
Mostly cloudy...with a 20 percent chance of rain and snow. Highs 30 to 35.

Weather Map - Satellite


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Almanac

Key: T = Trace of precipitation; MM = data not available
December 5, 2008
Normal high:34° Record high:60° (1939)
Normal low:14° Record low:-28° (1972)
Sunrise:7:56 AM Moon Rise: 12:39 PM
Sunset:4:40 PM Moon Set: No Moon Set
Complete weather almanac

Astronomy

Sunrise:07:56 AM (MST) Moon Rise:12:39 PM (MST)
Sunset:04:40 PM (MST) Moon Set:No Moon Set/
Moon Phase
Dec. 05 Dec. 05 Dec. 12 Dec. 19 Dec. 27

Today's State Extremes

State Highs:

Malmstrom AFB 41°F
Glendive 35°F
Great Falls 35°F
Havre 34°F
Lewistown 34°F

State Lows:

Butte 5°F
Miles City 7°F
Glendive 8°F
Dillon 10°F
Wolf Point 10°F

Personal Weather Stations

Want to contribute your weather data? The Weather Underground has teamed up with Ambient Weather, Weather Display and Weather View 32 to build a network of weather stations across the globe. Add Your Weather Station!

APRSWXNET Helena MT US, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
27°F 18°F 67% NW at 2 mph 30.27 in 0.00 in 27°F 9:43 AM MST
Historical Data & Charts — Meteorological Assimilation Data Ingest System

APRSWXNET Helena MT US, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
29°F 15°F 55% ENE at 0 mph 30.09 in 0.00 in 29°F 9:37 AM MST
Historical Data & Charts — Meteorological Assimilation Data Ingest System

Diehl Heights, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
31.5°F 19°F 59% ESE at 0.0 mph 30.29 in 0.00 in 32°F 10:10 AM MST
Historical Data & Charts

RAWS HELENA MT US, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
26°F 20°F 79% WNW at 3 mph in 0.00 in 26°F 8:53 AM MST
Historical Data & Charts — Meteorological Assimilation Data Ingest System

Montana City, MT Weather, Montana City, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
26.4°F 17°F 67% South at 0.0 mph 30.09 in 0.00 in 26°F 10:10 AM MST
Historical Data & Charts — Montana City Weather

Saddle Mountain, Montana City, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
28.4°F 22°F 77% WNW at 0.0 mph 30.10 in 0.00 in 28°F 10:11 AM MST
Historical Data & Charts — Visit Website

McClellan Creek Road, Montana City, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
28.9°F 14°F 54% NW at 0.0 mph 30.07 in 0.00 in 29°F 10:11 AM MST
Historical Data & Charts

Near York Bridge, Helena, MT, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
26.9°F 9°F 46% NE at 6.0 mph 30.48 in 0.00 in 20°F 10:11 AM MST
Historical Data & Charts — CoolCyberCats

Helena National Forest -York Gulch, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
24.3°F 11°F 57% NE at 0.0 mph 30.06 in 0.00 in 24°F 10:11 AM MST
Historical Data & Charts

MesoWest MacDonald Pass US-12 MP 27.9 MT US MT DOT, Helena, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
24°F 16°F 70% WNW at 30 mph in 0.00 in 7°F 9:15 AM MST
Historical Data & Charts — Meteorological Assimilation Data Ingest System

MesoWest Boulder Hill I-15 MP 170.9 MT US MT DOT, Jefferson City, MT
Temp. Dew Point Humidity Wind Pressure Hourly Precip. Windchill Updated
28°F 4°F 34% SSW at 19 mph in 0.00 in 15°F 9:16 AM MST
Historical Data & Charts — Meteorological Assimilation Data Ingest System
High Wind Warning
Statement as of 4:41 am MST on December 5, 2008

... High Wind Warning in effect until 11 PM MST Saturday...

The National Weather Service in Great Falls has issued a High
Wind Warning... which is in effect until 11 PM MST Saturday.

West winds of 25 to 40 mph are likely today. Wind gusts to 80 mph
along the Rocky Mountain front and near 60 mph over eastern
Glacier County are likely. Over central and southern Lewis And
Clark County these winds speeds are likely to occur mainly in the
mountains and through favored mountain passes. Early this morning
a wind gust to 82 mph was reported southeast of east Glacier.

Winds might diminish late this afternoon and evening but are
likely to increase again after midnight into Saturday. By Saturday
again expect west winds of 25 to 40 mph with gusts of 75 to 80 mph
along the Rocky Mountain front with gusts to 60 mph over eastern
Glacier County and also the mountains and passes of central and
southern Lewis And Clark County.

These high winds will cause areas of blowing and drifting snow.
Visibilities will be reduced with near zero visibilities possible
at times through mountain passes. Travel could become hazardous.

A High Wind Warning means a hazardous high wind event
is expected or occurring. Sustained wind speeds of at least 40 mph
or gusts of 58 mph or more can lead to property damage.
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