As of 13:55 MDT

Weather in Bison, MT

34°Current weather

Bison, Saturday, 10 October, 13:55

Light snow. Feels like 26°. High 44°, low 29°.

Pressure29.88 inHg
Wind10.8 mph NE
Humidity87%
Visibility2.2 mi
Dew point31°
Sun, 1129° / 20°0.8Snow
29 °Snow

Bison, Sunday, 11 October

Snow. High 29°, low 20°.

Pressure30.18 inHg
Wind13.1 mph NE
Humidity99%
Visibility1.1 mi
Dew point22°
Mon, 1237° / 21°0.13Snow
37 °Snow

Bison, Monday, 12 October

Snow. High 37°, low 21°.

Pressure30.12 inHg
Wind3.2 mph SW
Humidity92%
Visibility6.2 mi
Dew point22°
Tue, 1344° / 21°0Clear
44 °Clear

Bison, Tuesday, 13 October

Clear. High 44°, low 21°.

Pressure30.12 inHg
Wind4.1 mph W
Humidity74%
Visibility6.2 mi
Dew point27°
Wed, 1446° / 28°0Clear
46 °Clear

Bison, Wednesday, 14 October

Clear. High 46°, low 28°.

Pressure30.09 inHg
Wind6.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point25°
Thu, 1546° / 31°0Clear
46 °Clear

Bison, Thursday, 15 October

Clear. High 46°, low 31°.

Pressure30.45 inHg
Wind5.8 mph W
Humidity65%
Visibility—
Dew point31°
Fri, 1645° / 25°0Partly cloudy
45 °Partly cloudy

Bison, Friday, 16 October

Partly cloudy. High 45°, low 25°.

Pressure30.62 inHg
Wind6.4 mph SW
Humidity68%
Visibility—
Dew point26°
Sat, 1755° / 32°0Overcast
55 °Overcast

Bison, Saturday, 17 October

Overcast. High 55°, low 32°.

Pressure29.97 inHg
Wind11.8 mph SW
Humidity62%
Visibility—
Dew point32°
Sun, 1852° / 35°0Partly cloudy
52 °Partly cloudy

Bison, Sunday, 18 October

Partly cloudy. High 52°, low 35°.

Pressure29.88 inHg
Wind13.1 mph W
Humidity51%
Visibility—
Dew point31°
Mon, 1946° / 33°0Light rain
46 °Light rain

Bison, Monday, 19 October

Light rain. High 46°, low 33°.

Pressure29.88 inHg
Wind10.7 mph SW
Humidity62%
Visibility—
Dew point31°
Tue, 2037° / 32°0.35Snow
37 °Snow

Bison, Tuesday, 20 October

Snow. High 37°, low 32°.

Pressure30.21 inHg
Wind9.4 mph SW
Humidity100%
Visibility—
Dew point36°
Wed, 2140° / 31°0.11Light rain
40 °Light rain

Bison, Wednesday, 21 October

Light rain. High 40°, low 31°.

Pressure30.03 inHg
Wind20 mph W
Humidity83%
Visibility—
Dew point32°
Thu, 2243° / 25°0Overcast
43 °Overcast

Bison, Thursday, 22 October

Overcast. High 43°, low 25°.

Pressure30.06 inHg
Wind8 mph SW
Humidity63%
Visibility—
Dew point26°
Fri, 2349° / 32°0.04Light rain
49 °Light rain

Bison, Friday, 23 October

Light rain. High 49°, low 32°.

Pressure29.83 inHg
Wind14.6 mph SW
Humidity61%
Visibility—
Dew point33°
Sat, 2447° / 39°0Overcast
47 °Overcast

Bison, Saturday, 24 October

Overcast. High 47°, low 39°.

Pressure30.09 inHg
Wind14.5 mph SW
Humidity73%
Visibility—
Dew point38°
Sun, 2553° / 36°0Partly cloudy
53 °Partly cloudy

Bison, Sunday, 25 October

Partly cloudy. High 53°, low 36°.

Pressure30.27 inHg
Wind8.7 mph SW
Humidity74%
Visibility—
Dew point39°

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 Bison, 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 Bison, 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.