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As of 07:02 MST

Weather in Sourdough, MT

41°Current weather

Sourdough, Friday, 6 November, 07:02

Clear. Feels like 31°. High 55°, low 34°.

Pressure30.12 inHg
Wind20.7 mph W
Humidity59%
Visibility6.2 mi
Dew point28°
Sat, 0759° / 37°0Mostly clear
59 °Mostly clear

Sourdough, Saturday, 7 November

Mostly clear. High 59°, low 37°.

Pressure30.12 inHg
Wind10.4 mph SW
Humidity38%
Visibility6.2 mi
Dew point32°
Sun, 0862° / 38°0Overcast
62 °Overcast

Sourdough, Sunday, 8 November

Overcast. High 62°, low 38°.

Pressure29.91 inHg
Wind15.4 mph SW
Humidity34%
Visibility6.2 mi
Dew point31°
Mon, 0955° / 37°0Overcast
55 °Overcast

Sourdough, Monday, 9 November

Overcast. High 55°, low 37°.

Pressure30.06 inHg
Wind2.6 mph SE
Humidity49%
Visibility6.2 mi
Dew point33°
Tue, 1058° / 38°0Clear
58 °Clear

Sourdough, Tuesday, 10 November

Clear. High 58°, low 38°.

Pressure30.06 inHg
Wind13.6 mph SW
Humidity41%
Visibility—
Dew point29°
Wed, 1161° / 39°0Partly cloudy
61 °Partly cloudy

Sourdough, Wednesday, 11 November

Partly cloudy. High 61°, low 39°.

Pressure30.18 inHg
Wind10.7 mph SW
Humidity43%
Visibility—
Dew point31°
Thu, 1260° / 36°0Clear
60 °Clear

Sourdough, Thursday, 12 November

Clear. High 60°, low 36°.

Pressure30.06 inHg
Wind8 mph S
Humidity35%
Visibility—
Dew point22°
Fri, 1366° / 39°0Clear
66 °Clear

Sourdough, Friday, 13 November

Clear. High 66°, low 39°.

Pressure29.83 inHg
Wind9.8 mph SW
Humidity23%
Visibility—
Dew point17°
Sat, 1463° / 41°0Partly cloudy
63 °Partly cloudy

Sourdough, Saturday, 14 November

Partly cloudy. High 63°, low 41°.

Pressure29.80 inHg
Wind15.9 mph SW
Humidity23%
Visibility—
Dew point17°
Sun, 1554° / 34°0.17Snow
54 °Snow

Sourdough, Sunday, 15 November

Snow. High 54°, low 34°.

Pressure29.80 inHg
Wind14.1 mph N
Humidity32%
Visibility—
Dew point23°
Mon, 1642° / 31°0.17Snow
42 °Snow

Sourdough, Monday, 16 November

Snow. High 42°, low 31°.

Pressure30.09 inHg
Wind6.4 mph SW
Humidity74%
Visibility—
Dew point30°
Tue, 1739° / 28°0.01Light snow
39 °Light snow

Sourdough, Tuesday, 17 November

Light snow. High 39°, low 28°.

Pressure30.03 inHg
Wind4 mph W
Humidity68%
Visibility—
Dew point26°
Wed, 1839° / 26°0Partly cloudy
39 °Partly cloudy

Sourdough, Wednesday, 18 November

Partly cloudy. High 39°, low 26°.

Pressure30.03 inHg
Wind12.3 mph W
Humidity48%
Visibility—
Dew point19°
Thu, 1936° / 22°0Partly cloudy
36 °Partly cloudy

Sourdough, Thursday, 19 November

Partly cloudy. High 36°, low 22°.

Pressure30.36 inHg
Wind6.5 mph E
Humidity55%
Visibility—
Dew point15°
Fri, 2029° / 25°0.15Light snow
29 °Light snow

Sourdough, Friday, 20 November

Light snow. High 29°, low 25°.

Pressure30.24 inHg
Wind6.6 mph NE
Humidity88%
Visibility—
Dew point25°
Sat, 2130° / 21°0.17Light snow
30 °Light snow

Sourdough, Saturday, 21 November

Light snow. High 30°, low 21°.

Pressure30.12 inHg
Wind5.5 mph NW
Humidity93%
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 Sourdough, 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 Sourdough, 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.