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Helena Valley Northeast, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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: 3:42 pm MDT Jun 30, 2025
 
Tonight

Tonight: Mostly clear, with a low around 54. East southeast wind 5 to 7 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 94. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm  after midnight.
Partly Cloudy

Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Mostly Sunny
then Chance
Showers
Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. South southwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Chance
T-storms then
Partly Cloudy
Thursday

Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming calm  after midnight.
Chance
T-storms

Independence
Day
Independence Day: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Chance
Showers then
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 51.
Chance
T-storms

Lo 54 °F Hi 94 °F Lo 55 °F Hi 90 °F Lo 56 °F Hi 87 °F Lo 54 °F Hi 81 °F Lo 51 °F

 

Tonight
 
Mostly clear, with a low around 54. East southeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 94. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 55. West northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
 
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. South southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
 
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
 
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming calm after midnight.
Independence Day
 
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 51.
Saturday
 
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Saturday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Monday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for 6 Miles N Helena MT.

Weather Forecast Discussion
274
FXUS65 KTFX 302324
AFDTFX

Area Forecast Discussion
National Weather Service Great Falls MT
524 PM MDT Mon Jun 30 2025

Aviation Section Updated.

.KEY MESSAGES...

 - Warm temperatures expected Tuesday and Wednesday with highs in
   the 90s for most lower elevation locations.
 - Showers and thunderstorms return tomorrow, mainly south of
   I-90 and spread northward on Wednesday.
 - Shower and thunderstorm chances linger through the end of the
   week, even as temperatures cool to more seasonable levels.

&&

.DISCUSSION...
/Issued 257 PM MDT Mon Jun 30 2025/

 - Meteorological Overview:

With upper level ridging building across the Northern Rockies
early this week, temperatures will be on the increase over the
next few days. After highs just shy of or just over 90 today,
most lower elevation locations will see highs in the low to mid
90s Tuesday and Wednesday. Even with this ridge, a few showers and
thunderstorms will manage to pop up tomorrow, mainly south of
I-90. Showers and storms are likely to be more widespread on
Wednesday as an upper level trough begins to push ashore of the
west coast, helping to push some cooler air aloft as low level
moisture tries to sneak in from the east. Gusty winds and small
hail will be possible either day thanks to some weak shear and a
deep boundary layer.

The upper level ridge will gradually flatten out through the
second half of the week, which will allow temperatures to fall but
also result in near daily chances for showers and thunderstorms,
including on Independence Day.

 - Forecast Confidence & Scenarios:

Storms Tuesday and Wednesday: At the moment, confidence on
coverage and strength of shower and thunderstorm activity is low
to medium (30-50%), as the amount of moisture and shear needed for
storm development and maintenance remains on the low side.
However, if storms do manage to develop, a few of the storms may
produce some gusty outflow winds in excess of 50 mph on Tuesday
across Southwestern Montana, and this threat expands to include
the Plains on Wednesday. Wednesday is slightly more certain, but
the timing of the arrival of upper level forcing may be slightly
too late to allow for storms to become organized enough to produce
anything more than an isolated outflow should they collapse.
Ludwig

&&

.AVIATION...
01/00Z TAF Period

The only concern this TAF period will be for showers and
thunderstorms Tuesday afternoon and early evening, near and south of
I-90. Gusty and erratic outflow winds will be the biggest concern
with thunderstorms. In the meantime, benign conditions will continue
through the overnight into Tuesday morning in all areas. -AM

Refer to weather.gov/zlc for more detailed regional aviation
weather and hazard information.

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  56  93  58  93 /   0   0   0  20
CTB  51  88  55  91 /   0   0   0  10
HLN  58  95  58  89 /   0   0  10  40
BZN  53  96  55  93 /   0  10  20  30
WYS  41  86  45  83 /   0  20  20  40
DLN  52  90  52  87 /   0  20  20  40
HVR  53  95  58  98 /   0   0   0  10
LWT  54  88  58  91 /   0   0  10  30

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$
http://www.weather.gov/greatfalls
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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