Helena Valley Northeast, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 6 Miles N Helena MT
National Weather Service Forecast for:
6 Miles N Helena MT
Issued by: National Weather Service Great Falls, MT |
Updated: 9:08 pm MST Feb 6, 2025 |
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Overnight
 Snow
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Friday
 Snow
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Friday Night
 Partly Cloudy
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Saturday
 Mostly Sunny
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Saturday Night
 Slight Chance Snow
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Sunday
 Slight Chance Snow
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Sunday Night
 Chance Snow
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Monday
 Chance Snow then Mostly Cloudy
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Monday Night
 Mostly Cloudy
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Lo -5 °F |
Hi 10 °F |
Lo -10 °F |
Hi 22 °F |
Lo 1 °F |
Hi 22 °F |
Lo -6 °F |
Hi 10 °F |
Lo -16 °F |
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Winter Weather Advisory
Overnight
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Snow. Low around -5. Wind chill values as low as -15. North northwest wind around 6 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible. |
Friday
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Snow, mainly before 2pm. High near 10. Wind chill values as low as -15. North wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible. |
Friday Night
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Partly cloudy, with a low around -10. Light and variable wind. |
Saturday
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Mostly sunny, with a high near 22. Wind chill values as low as -10. Calm wind becoming west southwest around 6 mph in the afternoon. |
Saturday Night
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A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 1. Light west southwest wind. |
Sunday
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A 20 percent chance of snow. Partly sunny, with a high near 22. Calm wind becoming west northwest around 5 mph in the afternoon. |
Sunday Night
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A 50 percent chance of snow. Mostly cloudy, with a low around -6. North northwest wind 3 to 5 mph. New snow accumulation of less than a half inch possible. |
Monday
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A chance of snow before 11am. Mostly cloudy, with a high near 10. Calm wind becoming north around 5 mph in the afternoon. |
Monday Night
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Mostly cloudy, with a low around -16. |
Tuesday
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Partly sunny, with a high near 10. |
Tuesday Night
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Mostly cloudy, with a low around -15. |
Wednesday
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Partly sunny, with a high near 12. |
Wednesday Night
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A slight chance of snow. Mostly cloudy, with a low around -9. |
Thursday
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A slight chance of snow. Mostly cloudy, with a high near 16. |
Forecast from NOAA-NWS
for 6 Miles N Helena MT.
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Weather Forecast Discussion
183
FXUS65 KTFX 070451
AFDTFX
Area Forecast Discussion
National Weather Service Great Falls MT
951 PM MST Thu Feb 6 2025
Aviation Section Updated.
.KEY MESSAGES...
- Widespread snow starting late tonight and continue through
Friday.
- Intense snow showers south of I-90 Friday can produce brief
bursts of moderate snow.
- Cold temperatures and a few rounds of light snow linger
through next week.
&&
.UPDATE...
/Issued 905 PM MST Thu Feb 6 2025/
Main update for this evening through the overnight hours was to
increase the chance for snow to reflect the ongoing light snow
from the Helena area across the Central Montana mountains. This
should not significantly impact forecast snowfall amounts, so
will continue the Winter Weather Advisories as is. -Coulston
&&
.DISCUSSION...
/Issued 905 PM MST Thu Feb 6 2025/
- Meteorological Overview:
A low pressure system will be lifting north through the Western
U.S today. Ahead of the main system, increasing moisture over the
stationary boundary will produce light snow over Central and
Southwest MT this evening. Widespread snow arrives overnight
tonight across most of the region. Widespread snow continues
through the day Friday. Weak instability during the day on Friday
will also produce snow showers with moderate bursts of snow south
of the I-90 corridor. Snow winds down Friday evening before
exiting late Friday night.
Behind this event, we will transition into a northwest flow aloft
pattern for the week. This will keep the week somewhat active
(though not as much as this week). A few disturbances will drop
down south from Canada, bringing light snow to the region.
Temperatures don`t look to improve too much through next week,
except for Saturday. Another Canadian front dropping south Sunday
will bring back this cold air mass for the week, and may have
troubles mixing in warm air with lighter winds.
There remains ice jamming concerns in Madison County along the
Madison and Jefferson Rivers.
- Forecast Confidence & Scenarios:
Snow:
It looks like the main moisture axis with this system will
be along the Helena to Lewistown line. the 75th percentile (higher
end amounts) of the NBM and HREF keeps snow totals along this
corridor between 3-5" with some isolated areas of 6". However,
there is only a 20-30% chance for totals to reach 6" and above, so
I held off from upgrading to a Winter Storm Warning for now.
Though, if snow ratios go higher than currently forecasted, then
an upgrade may be needed later. There`s around a 70% chance for 6"
of snow at pass level, with higher peaks nearing 8-9".
Cold:
Areas across the North-Central plains are still slow to warm up.
Temperatures have a good chance to remain colder than guidance
until Saturday, where a slight increase in winds will help mix out
the cold.
There is increasing confidence of the cold returning early next
week, but there is some uncertainty in how cold it gets. The
probability for max temperatures below zero reach 20-40% chances
across the North-Central MT plains, reaching 50-80% chance towards
the Hi-line. Tuesday through Thursday, the chances stay between
20-50% chance. -Wilson
&&
.AVIATION...
07/06Z TAF Period.
A few scattered light snow showers are possible overnight, but
The main concern will be light to moderate snowfall overspreading
the CWA from south to north late tonight and into Friday morning.
The heaviest snowfall is expected during the day on Friday, with
many areas having the potential for visibility down to 1/2SM for a
few hours during the morning and early afternoon hours. The snow
starts to end after 00z Sat from west to east. Mountains/passes
will be obscured across much of the CWA through the period. Brusda
Refer to weather.gov/zlc for more detailed regional aviation
weather and hazard information.
&&
.HYDROLOGY...
Flood statements have been issued for portions of the CWA.
A flood advisory is in effect overnight for portions of the
Jefferson River between Twin Bridges and Silver Star because of an
ice jam.
A flood warning is in effect for portions of the Madison River
around Ennis, where Ennis State Park is having minor flooding
because of an ice jam.
With generally cold temperatures expected for the next several
days, possibly a week, these ice jams could last awhile.
Additionally new ice jams are also possible, resulting in
additional flood statements. Brusda
&&
.PRELIMINARY POINT TEMPS/POPS...
GTF 0 7 -5 24 / 80 100 20 0
CTB -6 10 -9 22 / 30 60 10 0
HLN 0 8 -5 21 / 100 100 20 0
BZN 1 15 -6 20 / 90 100 40 0
WYS 12 32 -3 18 / 90 100 70 30
DLN 11 21 0 23 / 80 90 10 0
HVR -12 9 -8 16 / 0 30 10 0
LWT 2 9 -5 23 / 90 100 60 0
&&
.TFX WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory until 11 PM MST Friday for Beaverhead
and Western Madison below 6000ft-Big Belt, Bridger and Castle
Mountains-Canyon Ferry Area-Cascade County below 5000ft-Eastern
Pondera and Eastern Teton-Elkhorn and Boulder Mountains-Fergus
County below 4500ft-Gallatin Valley-Gallatin and Madison County
Mountains and Centennial Mountains-Gates of the Mountains-Helena
Valley-Judith Basin County and Judith Gap-Little Belt and
Highwood Mountains-Madison River Valley-Meagher County Valleys-
Missouri Headwaters-Northwest Beaverhead County-Ruby Mountains
and Southern Beaverhead Mountains-Snowy and Judith Mountains-
Southern High Plains-Southern Rocky Mountain Front-Upper
Blackfoot and MacDonald Pass-Western and Central Chouteau County.
Flood highlights are in effect for portions of the CWA.
&&
$$
http://www.weather.gov/greatfalls
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