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As of 21:07 MDT

Weather in Round Butte, MT

74°Current weather

Round Butte, Saturday, 8 August, 21:07

Overcast. Feels like 73°. High 88°, low 53°.

Pressure29.85 inHg
Wind4.3 mph W
Humidity31%
Visibility6.2 mi
Dew point40°
Sun, 0988° / 52°0Clear
88 °Clear

Round Butte, Sunday, 9 August

Clear. High 88°, low 52°.

Pressure29.88 inHg
Wind2.5 mph NW
Humidity16%
Visibility6.2 mi
Dew point32°
Mon, 1093° / 50°0Clear
93 °Clear

Round Butte, Monday, 10 August

Clear. High 93°, low 50°.

Pressure29.85 inHg
Wind3.3 mph NW
Humidity15%
Visibility6.2 mi
Dew point31°
Tue, 1191° / 54°0Clear
91 °Clear

Round Butte, Tuesday, 11 August

Clear. High 91°, low 54°.

Pressure29.94 inHg
Wind1.9 mph NW
Humidity18%
Visibility6.2 mi
Dew point33°
Wed, 1290° / 57°0Partly cloudy
90 °Partly cloudy

Round Butte, Wednesday, 12 August

Partly cloudy. High 90°, low 57°.

Pressure29.83 inHg
Wind3.1 mph NW
Humidity20%
Visibility6.2 mi
Dew point35°
Thu, 1387° / 55°0Partly cloudy
87 °Partly cloudy

Round Butte, Thursday, 13 August

Partly cloudy. High 87°, low 55°.

Pressure29.83 inHg
Wind12 mph N
Humidity40%
Visibility—
Dew point47°
Fri, 1486° / 52°0Clear
86 °Clear

Round Butte, Friday, 14 August

Clear. High 86°, low 52°.

Pressure29.97 inHg
Wind9.8 mph NE
Humidity39%
Visibility—
Dew point45°
Sat, 1589° / 52°0Partly cloudy
89 °Partly cloudy

Round Butte, Saturday, 15 August

Partly cloudy. High 89°, low 52°.

Pressure30.06 inHg
Wind7.9 mph NE
Humidity37%
Visibility—
Dew point44°
Sun, 1695° / 55°0Partly cloudy
95 °Partly cloudy

Round Butte, Sunday, 16 August

Partly cloudy. High 95°, low 55°.

Pressure29.97 inHg
Wind19.7 mph W
Humidity15%
Visibility—
Dew point27°
Mon, 1797° / 58°0Clear
97 °Clear

Round Butte, Monday, 17 August

Clear. High 97°, low 58°.

Pressure29.88 inHg
Wind16.4 mph W
Humidity15%
Visibility—
Dew point32°
Tue, 1888° / 61°0.04Light rain
88 °Light rain

Round Butte, Tuesday, 18 August

Light rain. High 88°, low 61°.

Pressure30.03 inHg
Wind9.7 mph SE
Humidity33%
Visibility—
Dew point46°
Wed, 1984° / 59°0.33Rain
84 °Rain

Round Butte, Wednesday, 19 August

Rain. High 84°, low 59°.

Pressure29.94 inHg
Wind14 mph N
Humidity41%
Visibility—
Dew point48°
Thu, 2086° / 58°0Light rain
86 °Light rain

Round Butte, Thursday, 20 August

Light rain. High 86°, low 58°.

Pressure29.88 inHg
Wind12.4 mph W
Humidity31%
Visibility—
Dew point42°
Fri, 2186° / 55°0Mostly clear
86 °Mostly clear

Round Butte, Friday, 21 August

Mostly clear. High 86°, low 55°.

Pressure29.85 inHg
Wind13.2 mph W
Humidity25%
Visibility—
Dew point37°
Sat, 2288° / 55°0Mostly clear
88 °Mostly clear

Round Butte, Saturday, 22 August

Mostly clear. High 88°, low 55°.

Pressure29.88 inHg
Wind6.8 mph NE
Humidity25%
Visibility—
Dew point34°
Sun, 2389° / 57°0Overcast
89 °Overcast

Round Butte, Sunday, 23 August

Overcast. High 89°, low 57°.

Pressure29.77 inHg
Wind20.3 mph W
Humidity18%
Visibility—
Dew point31°

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 Round Butte, 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 Round Butte, 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.