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As of 04:05 MDT

Weather in Big Arm, MT

35°Current weather

Big Arm, Saturday, 31 October, 04:05

Partly cloudy. Feels like 35°. High 47°, low 35°.

Pressure30.06 inHg
Wind1.7 mph N
Humidity48%
Visibility6.2 mi
Dew point23°

10-day forecast for Big Arm, MT: 32° to 55°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

55°
Best day: Sunday, November 8
48°
Worst day: Friday, November 6

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 0145° / 36°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast44°feels 44°
EveningMostly clear39°feels 39°
OvernightOvercast38°feels 38°
45 °Overcast

Big Arm, Sunday, 1 November

Overcast. High 45°, low 36°.

Pressure29.94 inHg
Wind0.2 mph S
Humidity79%
Visibility6.2 mi
Dew point37°
Mon, 0244° / 34°0Mostly clear
MorningOvercast35°feels 35°
AfternoonClear43°feels 40°
EveningClear39°feels 39°
OvernightPartly cloudy34°feels 34°
44 °Mostly clear

Big Arm, Monday, 2 November

Mostly clear. High 44°, low 34°.

Pressure30.39 inHg
Wind3.4 mph S
Humidity85%
Visibility6.2 mi
Dew point35°
Tue, 0348° / 37°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast47°feels 47°
EveningOvercast42°feels 42°
OvernightOvercast38°feels 38°
48 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 48°, low 37°.

Pressure30.27 inHg
Wind1.9 mph S
Humidity67%
Visibility6.2 mi
Dew point33°
Wed, 0452° / 37°0Mostly clear
MorningMostly clear40°feels 40°
AfternoonMostly clear47°feels 47°
EveningMostly clear46°feels 46°
OvernightOvercast39°feels 39°
52 °Mostly clear

Big Arm, Wednesday, 4 November

Mostly clear. High 52°, low 37°.

Pressure30.00 inHg
Wind2.8 mph NE
Humidity58%
Visibility—
Dew point32°
Thu, 0548° / 39°0Overcast
MorningOvercast41°feels 41°
AfternoonOvercast46°feels 46°
EveningOvercast43°feels 43°
OvernightOvercast40°feels 37°
48 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 48°, low 39°.

Pressure29.97 inHg
Wind4.4 mph SW
Humidity72%
Visibility—
Dew point37°
Fri, 0648° / 36°0.03Light rain
MorningLight rain41°feels 36°
AfternoonLight rain45°feels 39°
EveningLight rain41°feels 36°
OvernightLight rain37°feels 31°
48 °Light rain

Big Arm, Friday, 6 November

Light rain. High 48°, low 36°.

Pressure29.83 inHg
Wind14.9 mph SW
Humidity67%
Visibility—
Dew point35°
Sat, 0747° / 32°0Overcast
MorningOvercast34°feels 29°
AfternoonOvercast41°feels 37°
EveningOvercast43°feels 40°
OvernightOvercast38°feels 33°
47 °Overcast

Big Arm, Saturday, 7 November

Overcast. High 47°, low 32°.

Pressure30.27 inHg
Wind7 mph S
Humidity64%
Visibility—
Dew point28°
Sun, 0855° / 38°0Overcast
MorningOvercast42°feels 38°
AfternoonOvercast47°feels 44°
EveningOvercast50°feels 47°
OvernightOvercast43°feels 40°
55 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 55°, low 38°.

Pressure30.09 inHg
Wind8.8 mph S
Humidity54%
Visibility—
Dew point30°
Mon, 0952° / 40°0.02Light rain
MorningLight rain49°feels 44°
AfternoonLight rain49°feels 46°
EveningLight rain45°feels 43°
OvernightLight rain42°feels 38°
52 °Light rain

Big Arm, Monday, 9 November

Light rain. High 52°, low 40°.

Pressure30.18 inHg
Wind11.7 mph SW
Humidity56%
Visibility—
Dew point35°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Big Arm, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.