EN
English Español

As of 13:18 MST

Weather in Big Sag, MT

57°Current weather

Big Sag, Monday, 9 November, 13:18

Overcast. Feels like 55°. High 57°, low 35°.

Pressure30.03 inHg
Wind4.7 mph W
Humidity64%
Visibility6.2 mi
Dew point43°

10-day forecast for Big Sag, MT: 30° to 65°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

65°
Best day: Wednesday, November 11
42° · 0.39 in
Worst day: Monday, November 16

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

Tue, 1058° / 44°0.03Light rain
MorningPartly cloudy49°feels 42°
AfternoonOvercast58°feels 56°
EveningOvercast52°feels 49°
OvernightOvercast44°feels 41°
58 °Light rain

Big Sag, Tuesday, 10 November

Light rain. High 58°, low 44°.

Pressure30.03 inHg
Wind19.6 mph SW
Humidity44%
Visibility6.2 mi
Dew point34°
Wed, 1165° / 50°0Overcast
MorningPartly cloudy51°feels 49°
AfternoonPartly cloudy65°feels 63°
EveningMostly clear55°feels 52°
OvernightPartly cloudy50°feels 45°
65 °Overcast

Big Sag, Wednesday, 11 November

Overcast. High 65°, low 50°.

Pressure30.06 inHg
Wind16.8 mph SW
Humidity37%
Visibility6.2 mi
Dew point37°
Thu, 1264° / 47°0Overcast
MorningOvercast49°feels 49°
AfternoonOvercast64°feels 62°
EveningOvercast49°feels 49°
OvernightClear54°feels 52°
64 °Overcast

Big Sag, Thursday, 12 November

Overcast. High 64°, low 47°.

Pressure29.91 inHg
Wind3.3 mph NE
Humidity41%
Visibility6.2 mi
Dew point39°
Fri, 1365° / 44°0Overcast
MorningOvercast45°feels 45°
AfternoonOvercast59°feels 56°
EveningOvercast54°feels 51°
OvernightOvercast47°feels 47°
65 °Overcast

Big Sag, Friday, 13 November

Overcast. High 65°, low 44°.

Pressure29.59 inHg
Wind0.5 mph SW
Humidity39%
Visibility6.2 mi
Dew point35°
Sat, 1458° / 45°0Overcast
MorningOvercast53°feels 50°
AfternoonOvercast57°feels 55°
EveningOvercast50°feels 47°
OvernightOvercast46°feels 41°
58 °Overcast

Big Sag, Saturday, 14 November

Overcast. High 58°, low 45°.

Pressure29.50 inHg
Wind11.9 mph SW
Humidity42%
Visibility—
Dew point34°
Sun, 1561° / 43°0Overcast
MorningOvercast52°feels 47°
AfternoonOvercast57°feels 54°
EveningOvercast49°feels 46°
OvernightOvercast44°feels 42°
61 °Overcast

Big Sag, Sunday, 15 November

Overcast. High 61°, low 43°.

Pressure29.50 inHg
Wind13.7 mph S
Humidity36%
Visibility—
Dew point30°
Mon, 1642° / 37°0.39Snow
MorningSnow42°feels 40°
AfternoonSnow42°feels 39°
EveningSnow38°feels 32°
OvernightSnow38°feels 33°
42 °Snow

Big Sag, Monday, 16 November

Snow. High 42°, low 37°.

Pressure29.77 inHg
Wind9 mph W
Humidity76%
Visibility—
Dew point35°
Tue, 1743° / 32°0Clear
MorningClear35°feels 29°
AfternoonClear40°feels 35°
EveningClear37°feels 36°
OvernightClear34°feels 30°
43 °Clear

Big Sag, Tuesday, 17 November

Clear. High 43°, low 32°.

Pressure30.18 inHg
Wind10.5 mph W
Humidity52%
Visibility—
Dew point23°
Wed, 1839° / 30°0Overcast
MorningOvercast33°feels 33°
AfternoonOvercast36°feels 36°
EveningOvercast34°feels 31°
OvernightOvercast32°feels 30°
39 °Overcast

Big Sag, Wednesday, 18 November

Overcast. High 39°, low 30°.

Pressure30.36 inHg
Wind3.7 mph NE
Humidity53%
Visibility—
Dew point20°

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.