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As of 15:25 MDT

Weather in Blacktail, MT

78°Current weather

Blacktail, Saturday, 8 August, 15:25

Overcast. Feels like 77°. High 78°, low 46°.

Pressure29.88 inHg
Wind8.6 mph W
Humidity26%
Visibility6.2 mi
Dew point39°
Sun, 0978° / 46°0Clear
78 °Clear

Blacktail, Sunday, 9 August

Clear. High 78°, low 46°.

Pressure29.91 inHg
Wind4.1 mph W
Humidity22%
Visibility6.2 mi
Dew point34°
Mon, 1079° / 44°0Clear
79 °Clear

Blacktail, Monday, 10 August

Clear. High 79°, low 44°.

Pressure29.88 inHg
Wind7.8 mph W
Humidity21%
Visibility6.2 mi
Dew point30°
Tue, 1181° / 49°0Clear
81 °Clear

Blacktail, Tuesday, 11 August

Clear. High 81°, low 49°.

Pressure29.97 inHg
Wind4.5 mph W
Humidity23%
Visibility6.2 mi
Dew point35°
Wed, 1278° / 51°0.01Light rain
78 °Light rain

Blacktail, Wednesday, 12 August

Light rain. High 78°, low 51°.

Pressure29.88 inHg
Wind1.7 mph NE
Humidity27%
Visibility6.2 mi
Dew point39°
Thu, 1381° / 50°0.01Light rain
81 °Light rain

Blacktail, Thursday, 13 August

Light rain. High 81°, low 50°.

Pressure29.88 inHg
Wind8.5 mph SW
Humidity49%
Visibility—
Dew point47°
Fri, 1478° / 47°0Clear
78 °Clear

Blacktail, Friday, 14 August

Clear. High 78°, low 47°.

Pressure29.91 inHg
Wind6.4 mph W
Humidity18%
Visibility—
Dew point25°
Sat, 1577° / 47°0Overcast
77 °Overcast

Blacktail, Saturday, 15 August

Overcast. High 77°, low 47°.

Pressure29.97 inHg
Wind6.7 mph NE
Humidity31%
Visibility—
Dew point40°
Sun, 1677° / 47°0Clear
77 °Clear

Blacktail, Sunday, 16 August

Clear. High 77°, low 47°.

Pressure30.03 inHg
Wind10.3 mph W
Humidity28%
Visibility—
Dew point34°
Mon, 1781° / 49°0Overcast
81 °Overcast

Blacktail, Monday, 17 August

Overcast. High 81°, low 49°.

Pressure30.06 inHg
Wind9.6 mph W
Humidity24%
Visibility—
Dew point33°
Tue, 1867° / 53°0.15Light rain
67 °Light rain

Blacktail, Tuesday, 18 August

Light rain. High 67°, low 53°.

Pressure30.09 inHg
Wind5.7 mph SW
Humidity50%
Visibility—
Dew point47°
Wed, 1979° / 46°0Overcast
79 °Overcast

Blacktail, Wednesday, 19 August

Overcast. High 79°, low 46°.

Pressure30.06 inHg
Wind7.1 mph W
Humidity36%
Visibility—
Dew point42°
Thu, 2082° / 56°0Overcast
82 °Overcast

Blacktail, Thursday, 20 August

Overcast. High 82°, low 56°.

Pressure29.91 inHg
Wind10.1 mph W
Humidity25%
Visibility—
Dew point37°
Fri, 2183° / 55°0Partly cloudy
83 °Partly cloudy

Blacktail, Friday, 21 August

Partly cloudy. High 83°, low 55°.

Pressure29.97 inHg
Wind8.1 mph W
Humidity23%
Visibility—
Dew point35°
Sat, 2285° / 56°0Overcast
85 °Overcast

Blacktail, Saturday, 22 August

Overcast. High 85°, low 56°.

Pressure29.97 inHg
Wind6.5 mph W
Humidity23%
Visibility—
Dew point37°
Sun, 2384° / 56°0Partly cloudy
84 °Partly cloudy

Blacktail, Sunday, 23 August

Partly cloudy. High 84°, low 56°.

Pressure30.03 inHg
Wind9.6 mph E
Humidity36%
Visibility—
Dew point47°

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 Blacktail, 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 Blacktail, 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.