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As of 21:49 MST

Weather in Big Sag, MT

53°Current weather

Big Sag, Tuesday, 10 November, 21:49

Overcast. Feels like 51°. High 58°, low 40°.

Pressure30.09 inHg
Wind15.1 mph SW
Humidity70%
Visibility6.2 mi
Dew point43°

10-day forecast for Big Sag, MT: 32° to 66°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

66°
Best day: Thursday, November 12
41°
Worst day: Thursday, November 19

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

Wed, 1165° / 46°0Partly cloudy
MorningMostly clear51°feels 48°
AfternoonPartly cloudy65°feels 62°
EveningPartly cloudy52°feels 50°
OvernightMostly clear50°feels 48°
65 °Partly cloudy

Big Sag, Wednesday, 11 November

Partly cloudy. High 65°, low 46°.

Pressure30.06 inHg
Wind13.9 mph SW
Humidity39%
Visibility6.2 mi
Dew point39°
Thu, 1266° / 47°0Overcast
MorningOvercast50°feels 47°
AfternoonOvercast66°feels 64°
EveningOvercast52°feels 49°
OvernightOvercast54°feels 51°
66 °Overcast

Big Sag, Thursday, 12 November

Overcast. High 66°, low 47°.

Pressure29.88 inHg
Wind2.3 mph N
Humidity39%
Visibility6.2 mi
Dew point40°
Fri, 1358° / 39°0Overcast
MorningOvercast41°feels 41°
AfternoonOvercast58°feels 56°
EveningOvercast49°feels 47°
OvernightOvercast46°feels 46°
58 °Overcast

Big Sag, Friday, 13 November

Overcast. High 58°, low 39°.

Pressure29.65 inHg
Wind4.7 mph NE
Humidity54%
Visibility6.2 mi
Dew point39°
Sat, 1463° / 43°0Partly cloudy
MorningOvercast44°feels 44°
AfternoonPartly cloudy63°feels 61°
EveningMostly clear48°feels 45°
OvernightPartly cloudy46°feels 45°
63 °Partly cloudy

Big Sag, Saturday, 14 November

Partly cloudy. High 63°, low 43°.

Pressure29.53 inHg
Wind1.3 mph W
Humidity43%
Visibility6.2 mi
Dew point36°
Sun, 1558° / 41°0Clear
MorningClear45°feels 41°
AfternoonClear53°feels 51°
EveningClear49°feels 49°
OvernightClear46°feels 42°
58 °Clear

Big Sag, Sunday, 15 November

Clear. High 58°, low 41°.

Pressure29.91 inHg
Wind9.5 mph SW
Humidity52%
Visibility—
Dew point35°
Mon, 1658° / 44°0Overcast
MorningOvercast47°feels 43°
AfternoonOvercast52°feels 50°
EveningOvercast49°feels 47°
OvernightOvercast46°feels 42°
58 °Overcast

Big Sag, Monday, 16 November

Overcast. High 58°, low 44°.

Pressure29.85 inHg
Wind8.3 mph SW
Humidity41%
Visibility—
Dew point29°
Tue, 1750° / 38°0Overcast
MorningOvercast46°feels 44°
AfternoonOvercast48°feels 46°
EveningOvercast44°feels 40°
OvernightOvercast39°feels 35°
50 °Overcast

Big Sag, Tuesday, 17 November

Overcast. High 50°, low 38°.

Pressure29.80 inHg
Wind8.9 mph W
Humidity43%
Visibility—
Dew point26°
Wed, 1849° / 34°0Clear
MorningClear38°feels 33°
AfternoonClear44°feels 40°
EveningClear40°feels 37°
OvernightClear38°feels 34°
49 °Clear

Big Sag, Wednesday, 18 November

Clear. High 49°, low 34°.

Pressure29.74 inHg
Wind9.6 mph W
Humidity40%
Visibility—
Dew point20°
Thu, 1941° / 32°0Overcast
MorningOvercast37°feels 33°
AfternoonOvercast39°feels 35°
EveningOvercast37°feels 35°
OvernightOvercast33°feels 32°
41 °Overcast

Big Sag, Thursday, 19 November

Overcast. High 41°, low 32°.

Pressure30.06 inHg
Wind6.4 mph NW
Humidity57%
Visibility—
Dew point25°

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.