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As of 11:42 MDT

Weather in Sioux Pass, MT

42°Current weather

Sioux Pass, Wednesday, 28 October, 11:42

Mostly clear. Feels like 35°. High 45°, low 34°.

Pressure29.97 inHg
Wind14.7 mph W
Humidity80%
Visibility6.2 mi
Dew point37°
Thu, 2946° / 29°0Overcast
46 °Overcast

Sioux Pass, Thursday, 29 October

Overcast. High 46°, low 29°.

Pressure30.21 inHg
Wind7.6 mph E
Humidity65%
Visibility6.2 mi
Dew point32°
Fri, 3046° / 30°0Overcast
46 °Overcast

Sioux Pass, Friday, 30 October

Overcast. High 46°, low 30°.

Pressure30.30 inHg
Wind11.3 mph E
Humidity71%
Visibility6.2 mi
Dew point33°
Sat, 3155° / 43°0Overcast
55 °Overcast

Sioux Pass, Saturday, 31 October

Overcast. High 55°, low 43°.

Pressure30.06 inHg
Wind7.5 mph SE
Humidity83%
Visibility6.2 mi
Dew point47°
Sun, 0161° / 45°0.04Light rain
61 °Light rain

Sioux Pass, Sunday, 1 November

Light rain. High 61°, low 45°.

Pressure29.85 inHg
Wind12 mph E
Humidity83%
Visibility—
Dew point47°
Mon, 0252° / 38°0.21Light rain
52 °Light rain

Sioux Pass, Monday, 2 November

Light rain. High 52°, low 38°.

Pressure30.00 inHg
Wind17.7 mph N
Humidity86%
Visibility—
Dew point42°
Tue, 0357° / 41°0Overcast
57 °Overcast

Sioux Pass, Tuesday, 3 November

Overcast. High 57°, low 41°.

Pressure30.21 inHg
Wind9.8 mph S
Humidity73%
Visibility—
Dew point42°
Wed, 0453° / 39°0Partly cloudy
53 °Partly cloudy

Sioux Pass, Wednesday, 4 November

Partly cloudy. High 53°, low 39°.

Pressure30.12 inHg
Wind9.3 mph NE
Humidity42%
Visibility—
Dew point27°
Thu, 0551° / 37°0Partly cloudy
51 °Partly cloudy

Sioux Pass, Thursday, 5 November

Partly cloudy. High 51°, low 37°.

Pressure29.97 inHg
Wind11.3 mph E
Humidity41%
Visibility—
Dew point24°
Fri, 0644° / 32°0Overcast
44 °Overcast

Sioux Pass, Friday, 6 November

Overcast. High 44°, low 32°.

Pressure30.24 inHg
Wind9.5 mph E
Humidity35%
Visibility—
Dew point14°
Sat, 0748° / 29°0Clear
48 °Clear

Sioux Pass, Saturday, 7 November

Clear. High 48°, low 29°.

Pressure30.18 inHg
Wind16.4 mph SE
Humidity47%
Visibility—
Dew point22°
Sun, 0847° / 35°0Overcast
47 °Overcast

Sioux Pass, Sunday, 8 November

Overcast. High 47°, low 35°.

Pressure29.85 inHg
Wind13.1 mph SE
Humidity71%
Visibility—
Dew point35°
Mon, 0938° / 34°0Overcast
38 °Overcast

Sioux Pass, Monday, 9 November

Overcast. High 38°, low 34°.

Pressure30.30 inHg
Wind11.5 mph NW
Humidity86%
Visibility—
Dew point33°
Tue, 1042° / 34°0Overcast
42 °Overcast

Sioux Pass, Tuesday, 10 November

Overcast. High 42°, low 34°.

Pressure30.36 inHg
Wind19.3 mph SE
Humidity67%
Visibility—
Dew point28°
Wed, 1148° / 33°0Overcast
48 °Overcast

Sioux Pass, Wednesday, 11 November

Overcast. High 48°, low 33°.

Pressure29.97 inHg
Wind14.4 mph SE
Humidity59%
Visibility—
Dew point28°
Thu, 1259° / 37°0Overcast
59 °Overcast

Sioux Pass, Thursday, 12 November

Overcast. High 59°, low 37°.

Pressure29.74 inHg
Wind13.4 mph S
Humidity39%
Visibility—
Dew point26°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Sioux Pass, MT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Sioux Pass, MT since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.