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As of 07:10 MST

Weather in Sourdough, MT

47°Current weather

Sourdough, Tuesday, 10 November, 07:10

Mostly clear. Feels like 41°. High 59°, low 42°.

Pressure30.00 inHg
Wind13.8 mph W
Humidity51%
Visibility6.2 mi
Dew point30°
Wed, 1163° / 46°0Mostly clear
63 °Mostly clear

Sourdough, Wednesday, 11 November

Mostly clear. High 63°, low 46°.

Pressure30.12 inHg
Wind8.6 mph SW
Humidity33%
Visibility6.2 mi
Dew point33°
Thu, 1260° / 39°0Overcast
60 °Overcast

Sourdough, Thursday, 12 November

Overcast. High 60°, low 39°.

Pressure29.97 inHg
Wind5 mph S
Humidity37%
Visibility6.2 mi
Dew point29°
Fri, 1360° / 38°0Overcast
60 °Overcast

Sourdough, Friday, 13 November

Overcast. High 60°, low 38°.

Pressure29.65 inHg
Wind9.6 mph S
Humidity35%
Visibility6.2 mi
Dew point26°
Sat, 1458° / 38°0Overcast
58 °Overcast

Sourdough, Saturday, 14 November

Overcast. High 58°, low 38°.

Pressure29.56 inHg
Wind10.3 mph SW
Humidity47%
Visibility—
Dew point30°
Sun, 1553° / 35°0Clear
53 °Clear

Sourdough, Sunday, 15 November

Clear. High 53°, low 35°.

Pressure29.88 inHg
Wind15.2 mph SW
Humidity47%
Visibility—
Dew point29°
Mon, 1656° / 34°0Overcast
56 °Overcast

Sourdough, Monday, 16 November

Overcast. High 56°, low 34°.

Pressure29.91 inHg
Wind9.7 mph SW
Humidity35%
Visibility—
Dew point20°
Tue, 1756° / 42°0Overcast
56 °Overcast

Sourdough, Tuesday, 17 November

Overcast. High 56°, low 42°.

Pressure29.74 inHg
Wind5.3 mph W
Humidity30%
Visibility—
Dew point20°
Wed, 1842° / 34°0.35Snow
42 °Snow

Sourdough, Wednesday, 18 November

Snow. High 42°, low 34°.

Pressure29.68 inHg
Wind4.5 mph N
Humidity53%
Visibility—
Dew point26°
Thu, 1936° / 30°0.24Snow
36 °Snow

Sourdough, Thursday, 19 November

Snow. High 36°, low 30°.

Pressure29.97 inHg
Wind7.3 mph NW
Humidity79%
Visibility—
Dew point30°
Fri, 2032° / 27°0.09Light snow
32 °Light snow

Sourdough, Friday, 20 November

Light snow. High 32°, low 27°.

Pressure30.24 inHg
Wind5.6 mph N
Humidity85%
Visibility—
Dew point26°
Sat, 2129° / 15°0.09Light snow
29 °Light snow

Sourdough, Saturday, 21 November

Light snow. High 29°, low 15°.

Pressure30.45 inHg
Wind6.8 mph N
Humidity88%
Visibility—
Dew point24°
Sun, 2234° / 8°0.03Light snow
34 °Light snow

Sourdough, Sunday, 22 November

Light snow. High 34°, low 8°.

Pressure30.03 inHg
Wind10.6 mph SW
Humidity75%
Visibility—
Dew point18°
Mon, 2328° / 15°0.04Light snow
28 °Light snow

Sourdough, Monday, 23 November

Light snow. High 28°, low 15°.

Pressure30.30 inHg
Wind13.2 mph NW
Humidity76%
Visibility—
Dew point17°
Tue, 2414° / 1°0.01Light snow
14 °Light snow

Sourdough, Tuesday, 24 November

Light snow. High 14°, low 1°.

Pressure30.65 inHg
Wind3.8 mph SW
Humidity79%
Visibility—
Dew point5°
Wed, 2517° / 0°0.07Light snow
17 °Light snow

Sourdough, Wednesday, 25 November

Light snow. High 17°, low 0°.

Pressure30.24 inHg
Wind2.7 mph E
Humidity75%
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.