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As of 13:51 MST

Weather in Big Sag, MT

67°Current weather

Big Sag, Wednesday, 11 November, 13:51

Partly cloudy. Feels like 66°. High 67°, low 39°.

Pressure30.06 inHg
Wind14.1 mph SW
Humidity55%
Visibility6.2 mi
Dew point50°

10-day forecast for Big Sag, MT: 28° to 67°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

67°
Best day: Wednesday, November 11
36° · 0.29 in
Worst day: Friday, November 20

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

Thu, 1264° / 41°0Overcast
MorningOvercast46°feels 46°
AfternoonOvercast64°feels 62°
EveningOvercast49°feels 49°
OvernightPartly cloudy45°feels 40°
64 °Overcast

Big Sag, Thursday, 12 November

Overcast. High 64°, low 41°.

Pressure29.91 inHg
Wind3.2 mph NE
Humidity40%
Visibility6.2 mi
Dew point39°
Fri, 1360° / 40°0Overcast
MorningOvercast40°feels 40°
AfternoonOvercast60°feels 58°
EveningOvercast52°feels 49°
OvernightOvercast44°feels 44°
60 °Overcast

Big Sag, Friday, 13 November

Overcast. High 60°, low 40°.

Pressure29.59 inHg
Wind4.5 mph NE
Humidity44%
Visibility6.2 mi
Dew point34°
Sat, 1463° / 44°0Partly cloudy
MorningClear44°feels 44°
AfternoonPartly cloudy62°feels 60°
EveningMostly clear48°feels 44°
OvernightOvercast46°feels 46°
63 °Partly cloudy

Big Sag, Saturday, 14 November

Partly cloudy. High 63°, low 44°.

Pressure29.59 inHg
Wind3.1 mph W
Humidity42%
Visibility6.2 mi
Dew point37°
Sun, 1560° / 44°0Clear
MorningClear46°feels 41°
AfternoonClear56°feels 53°
EveningClear51°feels 47°
OvernightClear44°feels 39°
60 °Clear

Big Sag, Sunday, 15 November

Clear. High 60°, low 44°.

Pressure29.83 inHg
Wind11.3 mph SW
Humidity39%
Visibility6.2 mi
Dew point32°
Mon, 1655° / 44°0.05Light rain
MorningLight rain47°feels 43°
AfternoonLight rain51°feels 48°
EveningLight rain49°feels 48°
OvernightLight rain44°feels 40°
55 °Light rain

Big Sag, Monday, 16 November

Light rain. High 55°, low 44°.

Pressure29.85 inHg
Wind9.9 mph SW
Humidity48%
Visibility—
Dew point31°
Tue, 1750° / 41°0.02Light rain
MorningLight rain43°feels 42°
AfternoonLight rain48°feels 48°
EveningLight rain45°feels 43°
OvernightLight rain44°feels 43°
50 °Light rain

Big Sag, Tuesday, 17 November

Light rain. High 50°, low 41°.

Pressure29.94 inHg
Wind4.8 mph NE
Humidity53%
Visibility—
Dew point31°
Wed, 1842° / 39°0.15Light rain
MorningLight rain41°feels 40°
AfternoonLight rain40°feels 37°
EveningLight rain40°feels 38°
OvernightLight rain40°feels 37°
42 °Light rain

Big Sag, Wednesday, 18 November

Light rain. High 42°, low 39°.

Pressure29.97 inHg
Wind5 mph N
Humidity87%
Visibility—
Dew point36°
Thu, 1939° / 36°0.24Snow
MorningSnow38°feels 38°
AfternoonSnow38°feels 35°
EveningSnow37°feels 37°
OvernightSnow37°feels 37°
39 °Snow

Big Sag, Thursday, 19 November

Snow. High 39°, low 36°.

Pressure30.00 inHg
Wind3.9 mph E
Humidity96%
Visibility—
Dew point37°
Fri, 2036° / 28°0.29Snow
MorningSnow36°feels 33°
AfternoonSnow36°feels 31°
EveningSnow34°feels 29°
OvernightSnow30°feels 24°
36 °Snow

Big Sag, Friday, 20 November

Snow. High 36°, low 28°.

Pressure30.27 inHg
Wind6.4 mph N
Humidity99%
Visibility—
Dew point36°

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.