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As of 08:11 MST

Weather in Big Sag, MT

56°Current weather

Big Sag, Friday, 13 November, 08:11

Overcast. Feels like 53°. High 57°, low 36°.

Pressure29.68 inHg
Wind1.5 mph NE
Humidity36%
Visibility6.2 mi
Dew point30°

10-day forecast for Big Sag, MT: 5° to 59°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

59°
Best day: Sunday, November 15
43° · 0.61 in
Worst day: Tuesday, November 17

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

Sat, 1459° / 33°0Clear
MorningPartly cloudy40°feels 40°
AfternoonClear59°feels 56°
EveningClear36°feels 29°
OvernightPartly cloudy38°feels 34°
59 °Clear

Big Sag, Saturday, 14 November

Clear. High 59°, low 33°.

Pressure29.59 inHg
Wind16.5 mph SW
Humidity38%
Visibility6.2 mi
Dew point35°
Sun, 1559° / 43°0Overcast
MorningPartly cloudy47°feels 41°
AfternoonOvercast59°feels 57°
EveningClear47°feels 44°
OvernightClear43°feels 38°
59 °Overcast

Big Sag, Sunday, 15 November

Overcast. High 59°, low 43°.

Pressure29.83 inHg
Wind14.2 mph SW
Humidity36%
Visibility6.2 mi
Dew point29°
Mon, 1654° / 43°0.04Light rain
MorningOvercast43°feels 39°
AfternoonOvercast53°feels 51°
EveningOvercast47°feels 47°
OvernightOvercast45°feels 41°
54 °Light rain

Big Sag, Monday, 16 November

Light rain. High 54°, low 43°.

Pressure29.88 inHg
Wind1.3 mph N
Humidity43%
Visibility6.2 mi
Dew point32°
Tue, 1743° / 33°0.61Snow
MorningLight rain39°feels 34°
AfternoonSnow35°feels 34°
EveningSnow33°feels 30°
OvernightLight rain43°feels 43°
43 °Snow

Big Sag, Tuesday, 17 November

Snow. High 43°, low 33°.

Pressure30.06 inHg
Wind6.3 mph W
Humidity99%
Visibility—
Dew point36°
Wed, 1840° / 29°0.04Snow
MorningSnow34°feels 27°
AfternoonSnow36°feels 29°
EveningSnow35°feels 32°
OvernightSnow30°feels 29°
40 °Snow

Big Sag, Wednesday, 18 November

Snow. High 40°, low 29°.

Pressure29.94 inHg
Wind11.6 mph W
Humidity84%
Visibility—
Dew point31°
Thu, 1937° / 29°0.04Light snow
MorningLight snow32°feels 30°
AfternoonLight snow36°feels 31°
EveningLight snow33°feels 27°
OvernightLight snow31°feels 26°
37 °Light snow

Big Sag, Thursday, 19 November

Light snow. High 37°, low 29°.

Pressure30.15 inHg
Wind8.3 mph E
Humidity77%
Visibility—
Dew point29°
Fri, 2034° / 30°0.07Light snow
MorningLight snow31°feels 25°
AfternoonLight snow33°feels 29°
EveningLight snow31°feels 28°
OvernightLight snow30°feels 25°
34 °Light snow

Big Sag, Friday, 20 November

Light snow. High 34°, low 30°.

Pressure30.06 inHg
Wind6.5 mph N
Humidity88%
Visibility—
Dew point30°
Sat, 2130° / 13°0.24Snow
MorningSnow26°feels 17°
AfternoonSnow24°feels 16°
EveningSnow15°feels 14°
OvernightSnow16°feels 7°
30 °Snow

Big Sag, Saturday, 21 November

Snow. High 30°, low 13°.

Pressure30.21 inHg
Wind12 mph NW
Humidity89%
Visibility—
Dew point23°
Sun, 2220° / 5°0Overcast
MorningOvercast13°feels 4°
AfternoonOvercast17°feels 8°
EveningOvercast10°feels 8°
OvernightOvercast7°feels -2°
20 °Overcast

Big Sag, Sunday, 22 November

Overcast. High 20°, low 5°.

Pressure30.42 inHg
Wind10 mph NW
Humidity79%
Visibility—
Dew point11°

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.