Helena, MT 59601 10-Day Weather Forecast

Lewis and Clark County3:09 PM MDT46.61°N, 112.02°W

Overview

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Thursday October 22

Sunny
Today
High 70°
Sunny

Sunny, with a high near 70. South southeast wind 1 to 6 mph.

Precip 2%Wind SSE 1 to 6 mph
Partly Cloudy then Slight Chance Light Rain
Tonight
Low 42°
Partly Cloudy then Slight Chance Light Rain

A slight chance of rain after 5am. Partly cloudy. Low around 42, with temperatures rising to around 46 overnight. West wind 0 to 5 mph. Chance of precipitation is 20%.

Precip 17%Wind W 0 to 5 mph
Rain/precip total0.00 in
Gusts to15 mph
UV index1 Low
Sunrise7:56 AM
Sunset6:30 PM
Daylight10 h 34 min
Moon Waxing Gibbous (87%)

Friday October 23

Rain
Friday
High 52°
Rain

Rain before 2pm, then rain and snow between 2pm and 3pm, then rain and snow. Cloudy. High near 52, with temperatures falling to around 35 in the afternoon. Northwest wind 1 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Precip 100%Wind NW 1 to 16 mph
Rain And Snow then Mostly Cloudy
Friday Night
Low 24°
Rain And Snow then Mostly Cloudy

Rain and snow before midnight. Mostly cloudy, with a low around 24. Northwest wind 0 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Precip 80%Wind NW 0 to 9 mph
Rain/precip total0.63 in
Snow<0.1 in
Gusts to29 mph
Thunder10%
UV index3 Moderate
Sunrise7:58 AM
Sunset6:29 PM
Daylight10 h 31 min
Moon Waxing Gibbous (93%)

Today October 24

Sunny
Saturday
High 45°
Sunny

Sunny, with a high near 45. Southeast wind 0 to 5 mph.

Precip 0%Wind SE 0 to 5 mph
Partly Cloudy
Saturday Night
Low 23°
Partly Cloudy

Partly cloudy, with a low around 23. West southwest wind 1 to 5 mph.

Precip 0%Wind WSW 1 to 5 mph
Rain/precip total0.00 in
Gusts to12 mph
UV index3 Moderate
Sunrise7:59 AM
Sunset6:27 PM
Daylight10 h 27 min
Moon Waxing Gibbous (97%)

Tomorrow October 25

Mostly Sunny
Sunday
High 43°
Mostly Sunny

Mostly sunny, with a high near 43. North wind 0 to 5 mph.

Precip 5%Wind N 0 to 5 mph
Partly Cloudy
Sunday Night
Low 24°
Partly Cloudy

Partly cloudy, with a low around 24. North northwest wind 0 to 6 mph.

Precip 12%Wind NNW 0 to 6 mph
Rain/precip total0.00 in
Gusts to12 mph
UV index0 Low
Sunrise8:00 AM
Sunset6:25 PM
Daylight10 h 24 min
Moon Full Moon (100%)

Monday October 26

Partly Sunny
Monday
High 45°
Partly Sunny

Partly sunny, with a high near 45.

Precip 10%Wind N 0 to 3 mph
Partly Cloudy
Monday Night
Low 25°
Partly Cloudy

Partly cloudy, with a low around 25.

Precip 12%Wind W 1 to 5 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise8:02 AM
Sunset6:24 PM
Daylight10 h 21 min
Moon Full Moon (99%)

Tuesday October 27

Chance Rain And Snow
Tuesday
High 49°
Chance Rain And Snow

A chance of rain and snow. Partly sunny, with a high near 49.

Precip 29%Wind W 0 to 5 mph
Chance Light Rain then Partly Cloudy
Tuesday Night
Low 26°
Chance Light Rain then Partly Cloudy

A chance of rain before midnight. Partly cloudy, with a low around 26.

Precip 26%Wind W 6 mph
Rain/precip total0.07 in
Gusts to12 mph
Sunrise8:03 AM
Sunset6:22 PM
Daylight10 h 18 min
Moon Waning Gibbous (97%)

Wednesday October 28

Slight Chance Rain And Snow then Mostly Sunny
Wednesday
High 46°
Slight Chance Rain And Snow then Mostly Sunny

A slight chance of rain and snow before noon. Mostly sunny, with a high near 46.

Precip 17%Wind W 3 mph
Mostly Cloudy then Slight Chance Light Snow
Wednesday Night
Low 24°
Mostly Cloudy then Slight Chance Light Snow

A slight chance of snow after midnight. Mostly cloudy, with a low around 24.

Precip 19%Wind W 3 mph
Rain/precip total0.00 in
Gusts to9 mph
Sunrise8:05 AM
Sunset6:20 PM
Daylight10 h 15 min
Moon Waning Gibbous (91%)

Thursday October 29

Extended outlook
Sunny
Thursday
High 39°
Sunny
Clear
Thursday Night
Low 21°
Clear
Rain/precip total0.00 in
Sunrise8:06 AM
Sunset6:19 PM
Daylight10 h 12 min
Moon Waning Gibbous (84%)

Friday October 30

Extended outlook
Mostly sunny
Friday
High 47°
Mostly sunny
Clear
Friday Night
Low 22°
Clear
Rain/precip total0.00 in
Sunrise8:08 AM
Sunset6:17 PM
Daylight10 h 9 min
Moon Waning Gibbous (74%)

Saturday October 31

Extended outlook
Partly cloudy
Saturday
High 47°
Partly cloudy
Clear
Saturday Night
Low 26°
Clear
Rain/precip total0.00 in
Sunrise8:09 AM
Sunset6:16 PM
Daylight10 h 6 min
Moon Waning Gibbous (63%)

National Weather Service forecast updated 2 days ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.