EN
English Español

As of 15:46 MDT

Weather in Sioux Pass, MT

42°Current weather

Sioux Pass, Thursday, 15 October, 15:46

Overcast. Feels like 32°. High 43°, low 38°.

Pressure30.50 inHg
Wind25.6 mph NW
Humidity70%
Visibility6.2 mi
Dew point33°
Fri, 1656° / 30°0Mostly clear
56 °Mostly clear

Sioux Pass, Friday, 16 October

Mostly clear. High 56°, low 30°.

Pressure30.56 inHg
Wind13.8 mph S
Humidity51%
Visibility6.2 mi
Dew point29°
Sat, 1772° / 45°0Partly cloudy
72 °Partly cloudy

Sioux Pass, Saturday, 17 October

Partly cloudy. High 72°, low 45°.

Pressure29.91 inHg
Wind9.4 mph SW
Humidity33%
Visibility6.2 mi
Dew point37°
Sun, 1856° / 43°0Partly cloudy
56 °Partly cloudy

Sioux Pass, Sunday, 18 October

Partly cloudy. High 56°, low 43°.

Pressure30.21 inHg
Wind2.5 mph N
Humidity41%
Visibility6.2 mi
Dew point26°
Mon, 1963° / 39°0Partly cloudy
63 °Partly cloudy

Sioux Pass, Monday, 19 October

Partly cloudy. High 63°, low 39°.

Pressure30.09 inHg
Wind11.8 mph SE
Humidity49%
Visibility6.2 mi
Dew point37°
Tue, 2065° / 44°0Mostly clear
65 °Mostly clear

Sioux Pass, Tuesday, 20 October

Mostly clear. High 65°, low 44°.

Pressure29.94 inHg
Wind13.4 mph SE
Humidity64%
Visibility—
Dew point44°
Wed, 2168° / 46°0Clear
68 °Clear

Sioux Pass, Wednesday, 21 October

Clear. High 68°, low 46°.

Pressure29.88 inHg
Wind10 mph NW
Humidity45%
Visibility—
Dew point39°
Thu, 2278° / 52°0.01Light rain
78 °Light rain

Sioux Pass, Thursday, 22 October

Light rain. High 78°, low 52°.

Pressure29.65 inHg
Wind18.4 mph SE
Humidity43%
Visibility—
Dew point44°
Fri, 2356° / 46°1.43Heavy rain
56 °Heavy rain

Sioux Pass, Friday, 23 October

Heavy rain. High 56°, low 46°.

Pressure29.74 inHg
Wind19.9 mph NW
Humidity89%
Visibility—
Dew point46°
Sat, 2446° / 40°0.43Rain
46 °Rain

Sioux Pass, Saturday, 24 October

Rain. High 46°, low 40°.

Pressure30.06 inHg
Wind26.9 mph NW
Humidity62%
Visibility—
Dew point29°
Sun, 2551° / 35°0Clear
51 °Clear

Sioux Pass, Sunday, 25 October

Clear. High 51°, low 35°.

Pressure30.45 inHg
Wind11.5 mph SW
Humidity34%
Visibility—
Dew point19°
Mon, 2660° / 39°0Clear
60 °Clear

Sioux Pass, Monday, 26 October

Clear. High 60°, low 39°.

Pressure30.03 inHg
Wind19.6 mph S
Humidity58%
Visibility—
Dew point37°
Tue, 2755° / 43°0Overcast
55 °Overcast

Sioux Pass, Tuesday, 27 October

Overcast. High 55°, low 43°.

Pressure30.00 inHg
Wind16 mph NW
Humidity50%
Visibility—
Dew point32°
Wed, 2864° / 50°0Overcast
64 °Overcast

Sioux Pass, Wednesday, 28 October

Overcast. High 64°, low 50°.

Pressure29.74 inHg
Wind21.6 mph W
Humidity44%
Visibility—
Dew point38°
Thu, 2953° / 39°0Clear
53 °Clear

Sioux Pass, Thursday, 29 October

Clear. High 53°, low 39°.

Pressure30.09 inHg
Wind24 mph NW
Humidity24%
Visibility—
Dew point13°
Fri, 3049° / 35°0Mostly clear
49 °Mostly clear

Sioux Pass, Friday, 30 October

Mostly clear. High 49°, low 35°.

Pressure30.42 inHg
Wind13.7 mph NW
Humidity36%
Visibility—
Dew point19°

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.