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Bozeman, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Bozeman MT
National Weather Service Forecast for: Bozeman MT
Issued by: National Weather Service Great Falls, MT
Updated: 8:49 am MDT Aug 7, 2025
 
Today

Today: A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 70%.
Mostly Sunny
then Showers
Likely
Tonight

Tonight: Showers and thunderstorms, mainly before 3am.  Low around 46. North northwest wind 7 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms then
Chance
Showers
Friday

Friday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 71. West wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Slight Chance
T-storms
Friday
Night
Friday Night: Partly cloudy, with a low around 46. West northwest wind 16 to 21 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 33 mph.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 76. South southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Mostly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 50. Northwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 81. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 54. Northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 23 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 86.
Sunny

Hi 81 °F Lo 46 °F Hi 71 °F Lo 46 °F Hi 76 °F Lo 50 °F Hi 81 °F Lo 54 °F Hi 86 °F

 

Today
 
A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 81. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Tonight
 
Showers and thunderstorms, mainly before 3am. Low around 46. North northwest wind 7 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71. West wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
 
Partly cloudy, with a low around 46. West northwest wind 16 to 21 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 33 mph.
Saturday
 
Mostly sunny, with a high near 76. South southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
 
Partly cloudy, with a low around 50. Northwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.
Sunday
 
Sunny, with a high near 81. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
 
Mostly clear, with a low around 54. Northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 23 mph.
Monday
 
Sunny, with a high near 86.
Monday Night
 
Mostly clear, with a low around 56.
Tuesday
 
Sunny, with a high near 88.
Tuesday Night
 
Mostly clear, with a low around 56.
Wednesday
 
Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Bozeman MT.

Weather Forecast Discussion
759
FXUS65 KTFX 071137
AFDTFX

Area Forecast Discussion
National Weather Service Great Falls MT
537 AM MDT Thu Aug 7 2025

Aviation Section Updated.

.KEY MESSAGES...

 - Numerous showers and thunderstorms this afternoon and evening
   across the region, with a few on the strong to severe side.

 - Much cooler for Friday, with showers and a few thunderstorms in
   the afternoon.

 - Trending back warmer this weekend into next week.

&&

.DISCUSSION...
/Issued 132 AM MDT Thu Aug 7 2025/

 - Meteorological Overview:

The initial wave associated with an approaching upper trough over
the Pacific NW is moving overhead early this morning. Sufficient
forcing from this wave has allowed for elevated showers and
thunderstorms to develop, mainly over the plains. This activity will
spread eastward through the remainder of the overnight and exit this
morning.

Attention then turns to this afternoon and evening, when the main
wave of the aforementioned trough begins to swing through. Stout
forcing from this troughing will help maximize what little
instability develops through the afternoon, resulting in numerous
showers and thunderstorms this afternoon and evening. The most
robust thunderstorms that form will be capable of taking on at least
brief supercell characteristics given the strong shear in place.
Forecast hodographs feature long, straight shear profiles,
suggesting large hail will be a concern in the most robust
thunderstorms, on top of strong wind gusts. The setup will be
discussed a bit further in the uncertainty section below.

Cooler temperatures move in behind a front, which will allow for a
cool day Friday as the core of the upper trough moves across the
Northern Rockies. Although surface temperatures will be below
average, sufficiently cool temperatures aloft will still allow for
afternoon showers and thunderstorms. The risk for a strong
thunderstorm is low, though it should be mentioned that a period
of more widespread (synoptic) gusty winds do look to develop
during the day Friday over the plains.

The upper troughing moves off to the east this weekend, allowing for
a northwesterly flow aloft to develop well off to the east of a
building ridge over the eastern Pacific Ocean. This setup more or
less continues into the middle of next week. Glancing blows from
waves traversing through the northwesterly flow aloft may promote
low-end chances for showers and thunderstorms at times early next
week, but the main takeaway is for a warming and largely drying
trend heading into early next week. Confidence in specifics
decreases significantly late next week, but ensemble means do
favor troughing in some capacity. -AM

 - Forecast Confidence & Scenarios:

There still remains some uncertainty with respect to how well the
region destabilizes today. Forcing from the approaching trough looks
to result in quite a bit of cloud cover, which would limit just how
much surface heating and resulting instability develops. Should
cloud cover hold off a bit more in the late morning and early
afternoon, a trend toward more numerous strong to severe
thunderstorms thunderstorms would be reasonable. Conversely, if the
region fails to clear out in a meaningful way, the risk for a strong
to severe thunderstorm would be lower. Overall, the area with the
best chance for ample instability to develop would be in the
Lewistown area and vicinity. -AM

&&

.AVIATION...
07/12Z TAF Period

Showers and thunderstorms associated with a shortwave out in
advance of the main trough have mostly ended this morning. The
trough axis will approach the Northern Rockies later today and
send a couple more waves of showers and thunderstorms through
Southwest and North-central Montana between 07/18 and 08/06Z. The
strongest storms look to occur over areas east of a KHLN to KHVR
line and north of I90. This will be followed by lighter end shower
and embedded thunder activity over Central/North-central Montana
during the overnight hours. Some storms in the afternoon and
evening will be capable of strong, gusty winds, hail, brief
downpours in addition to lightning. - RCG


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

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  76  49  71  53 /  40  50  30  20
CTB  72  50  65  50 /  30  30  60  20
HLN  76  48  72  51 /  70  60  20  10
BZN  81  44  73  45 /  60  80  20  10
WYS  76  36  68  32 /  30  50  20   0
DLN  78  40  71  40 /  50  50  10   0
HVR  80  53  70  54 /  30  50  70  50
LWT  74  46  67  49 /  60  70  40  20

&&

.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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