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As of 10:35 MST

Weather in Big Sag, MT

56°Current weather

Big Sag, Tuesday, 10 November, 10:35

Partly cloudy. Feels like 54°. High 57°, low 40°.

Pressure30.03 inHg
Wind19.1 mph SW
Humidity61%
Visibility6.2 mi
Dew point43°

10-day forecast for Big Sag, MT: 30° to 67°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

67°
Best day: Wednesday, November 11
33° · 0.88 in
Worst day: Thursday, November 19

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 1167° / 46°0Mostly clear
MorningClear47°feels 42°
AfternoonPartly cloudy67°feels 65°
EveningPartly cloudy55°feels 52°
OvernightPartly cloudy47°feels 42°
67 °Mostly clear

Big Sag, Wednesday, 11 November

Mostly clear. High 67°, low 46°.

Pressure30.06 inHg
Wind15.1 mph SW
Humidity34%
Visibility6.2 mi
Dew point36°
Thu, 1265° / 50°0Overcast
MorningOvercast51°feels 48°
AfternoonOvercast65°feels 63°
EveningOvercast52°feels 49°
OvernightPartly cloudy54°feels 51°
65 °Overcast

Big Sag, Thursday, 12 November

Overcast. High 65°, low 50°.

Pressure29.88 inHg
Wind3.3 mph NE
Humidity39%
Visibility6.2 mi
Dew point39°
Fri, 1362° / 44°0Overcast
MorningOvercast45°feels 45°
AfternoonOvercast62°feels 60°
EveningOvercast49°feels 47°
OvernightOvercast47°feels 47°
62 °Overcast

Big Sag, Friday, 13 November

Overcast. High 62°, low 44°.

Pressure29.56 inHg
Wind1.3 mph NE
Humidity34%
Visibility6.2 mi
Dew point33°
Sat, 1462° / 43°0Partly cloudy
MorningOvercast45°feels 45°
AfternoonPartly cloudy56°feels 54°
EveningPartly cloudy52°feels 50°
OvernightOvercast47°feels 44°
62 °Partly cloudy

Big Sag, Saturday, 14 November

Partly cloudy. High 62°, low 43°.

Pressure29.50 inHg
Wind8.7 mph SW
Humidity47%
Visibility—
Dew point35°
Sun, 1558° / 39°0Clear
MorningClear43°feels 39°
AfternoonClear53°feels 50°
EveningClear48°feels 46°
OvernightClear45°feels 40°
58 °Clear

Big Sag, Sunday, 15 November

Clear. High 58°, low 39°.

Pressure29.83 inHg
Wind10.5 mph SW
Humidity49%
Visibility—
Dew point33°
Mon, 1659° / 42°0Overcast
MorningOvercast46°feels 42°
AfternoonOvercast54°feels 51°
EveningOvercast51°feels 47°
OvernightOvercast47°feels 44°
59 °Overcast

Big Sag, Monday, 16 November

Overcast. High 59°, low 42°.

Pressure29.85 inHg
Wind10.5 mph SW
Humidity32%
Visibility—
Dew point24°
Tue, 1755° / 43°0Overcast
MorningOvercast48°feels 47°
AfternoonOvercast52°feels 49°
EveningOvercast47°feels 46°
OvernightOvercast44°feels 44°
55 °Overcast

Big Sag, Tuesday, 17 November

Overcast. High 55°, low 43°.

Pressure29.74 inHg
Wind6 mph NW
Humidity36%
Visibility—
Dew point26°
Wed, 1841° / 34°0.57Snow
MorningSnow40°feels 38°
AfternoonSnow39°feels 35°
EveningSnow35°feels 32°
OvernightSnow35°feels 32°
41 °Snow

Big Sag, Wednesday, 18 November

Snow. High 41°, low 34°.

Pressure29.80 inHg
Wind6.2 mph NW
Humidity86%
Visibility—
Dew point36°
Thu, 1933° / 30°0.88Snow
MorningSnow33°feels 27°
AfternoonSnow33°feels 26°
EveningSnow32°feels 26°
OvernightSnow31°feels 26°
33 °Snow

Big Sag, Thursday, 19 November

Snow. High 33°, low 30°.

Pressure30.12 inHg
Wind7.3 mph NW
Humidity100%
Visibility—
Dew point33°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Big Sag, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.