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As of 05:32 MST

Weather in Sourdough, MT

51°Current weather

Sourdough, Saturday, 7 November, 05:32

Clear. Feels like 48°. High 61°, low 42°.

Pressure30.03 inHg
Wind32.2 mph W
Humidity40%
Visibility6.2 mi
Dew point28°
Sun, 0864° / 40°0Overcast
64 °Overcast

Sourdough, Sunday, 8 November

Overcast. High 64°, low 40°.

Pressure29.91 inHg
Wind17.1 mph SW
Humidity32%
Visibility6.2 mi
Dew point30°
Mon, 0955° / 37°0Overcast
55 °Overcast

Sourdough, Monday, 9 November

Overcast. High 55°, low 37°.

Pressure30.06 inHg
Wind6 mph S
Humidity46%
Visibility6.2 mi
Dew point32°
Tue, 1057° / 38°0Partly cloudy
57 °Partly cloudy

Sourdough, Tuesday, 10 November

Partly cloudy. High 57°, low 38°.

Pressure30.03 inHg
Wind13.6 mph SW
Humidity39%
Visibility6.2 mi
Dew point30°
Wed, 1161° / 39°0Overcast
61 °Overcast

Sourdough, Wednesday, 11 November

Overcast. High 61°, low 39°.

Pressure30.18 inHg
Wind8.9 mph S
Humidity47%
Visibility—
Dew point33°
Thu, 1264° / 38°0Mostly clear
64 °Mostly clear

Sourdough, Thursday, 12 November

Mostly clear. High 64°, low 38°.

Pressure30.00 inHg
Wind10.3 mph S
Humidity36%
Visibility—
Dew point28°
Fri, 1366° / 41°0Overcast
66 °Overcast

Sourdough, Friday, 13 November

Overcast. High 66°, low 41°.

Pressure29.83 inHg
Wind8.1 mph SW
Humidity23%
Visibility—
Dew point17°
Sat, 1464° / 44°0Overcast
64 °Overcast

Sourdough, Saturday, 14 November

Overcast. High 64°, low 44°.

Pressure29.80 inHg
Wind15.1 mph W
Humidity28%
Visibility—
Dew point24°
Sun, 1560° / 40°0Overcast
60 °Overcast

Sourdough, Sunday, 15 November

Overcast. High 60°, low 40°.

Pressure29.77 inHg
Wind9.4 mph SW
Humidity30%
Visibility—
Dew point22°
Mon, 1646° / 37°0.13Light rain
46 °Light rain

Sourdough, Monday, 16 November

Light rain. High 46°, low 37°.

Pressure29.94 inHg
Wind8.7 mph SW
Humidity78%
Visibility—
Dew point36°
Tue, 1750° / 33°0Clear
50 °Clear

Sourdough, Tuesday, 17 November

Clear. High 50°, low 33°.

Pressure30.12 inHg
Wind14.3 mph SW
Humidity42%
Visibility—
Dew point22°
Wed, 1847° / 32°0Overcast
47 °Overcast

Sourdough, Wednesday, 18 November

Overcast. High 47°, low 32°.

Pressure29.97 inHg
Wind9.4 mph SW
Humidity41%
Visibility—
Dew point19°
Thu, 1948° / 32°0Partly cloudy
48 °Partly cloudy

Sourdough, Thursday, 19 November

Partly cloudy. High 48°, low 32°.

Pressure30.18 inHg
Wind16.9 mph W
Humidity36%
Visibility—
Dew point19°
Fri, 2051° / 29°0Clear
51 °Clear

Sourdough, Friday, 20 November

Clear. High 51°, low 29°.

Pressure30.42 inHg
Wind7 mph SW
Humidity27%
Visibility—
Dew point10°
Sat, 2157° / 33°0Mostly clear
57 °Mostly clear

Sourdough, Saturday, 21 November

Mostly clear. High 57°, low 33°.

Pressure30.27 inHg
Wind12.2 mph SW
Humidity24%
Visibility—
Dew point12°
Sun, 2257° / 35°0Clear
57 °Clear

Sourdough, Sunday, 22 November

Clear. High 57°, low 35°.

Pressure30.06 inHg
Wind6.2 mph SW
Humidity18%
Visibility—
Dew point6°

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.