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As of 15:36 MDT

Weather in Big Arm, MT

51°Current weather

Big Arm, Sunday, 25 October, 15:36

Overcast. Feels like 48°. High 51°, low 35°.

Pressure30.15 inHg
Wind5 mph W
Humidity50%
Visibility6.2 mi
Dew point33°

10-day forecast for Big Arm, MT: 32° to 52°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

52°
Best day: Monday, October 26
43° · 0.52 in
Worst day: Monday, November 2

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

Mon, 2652° / 32°0Light rain
MorningOvercast36°feels 33°
AfternoonOvercast52°feels 49°
EveningOvercast40°feels 40°
OvernightOvercast34°feels 29°
52 °Light rain

Big Arm, Monday, 26 October

Light rain. High 52°, low 32°.

Pressure30.06 inHg
Wind2.4 mph NE
Humidity66%
Visibility6.2 mi
Dew point32°
Tue, 2744° / 35°0.22Light rain
MorningOvercast38°feels 33°
AfternoonLight rain43°feels 36°
EveningOvercast39°feels 34°
OvernightLight rain38°feels 36°
44 °Light rain

Big Arm, Tuesday, 27 October

Light rain. High 44°, low 35°.

Pressure29.94 inHg
Wind10.7 mph SW
Humidity87%
Visibility4.5 mi
Dew point37°
Wed, 2841° / 34°0.17Snow
MorningOvercast36°feels 29°
AfternoonLight rain40°feels 34°
EveningLight snow35°feels 35°
OvernightOvercast38°feels 32°
41 °Snow

Big Arm, Wednesday, 28 October

Snow. High 41°, low 34°.

Pressure30.00 inHg
Wind8.2 mph S
Humidity85%
Visibility4.4 mi
Dew point34°
Thu, 2943° / 32°0Light snow
MorningOvercast32°feels 32°
AfternoonOvercast42°feels 39°
EveningLight snow39°feels 38°
OvernightOvercast32°feels 28°
43 °Light snow

Big Arm, Thursday, 29 October

Light snow. High 43°, low 32°.

Pressure30.12 inHg
Wind3.8 mph E
Humidity77%
Visibility1.8 mi
Dew point32°
Fri, 3040° / 33°0.07Light rain
MorningLight rain35°feels 32°
AfternoonLight rain40°feels 40°
EveningLight rain37°feels 37°
OvernightLight rain35°feels 34°
40 °Light rain

Big Arm, Friday, 30 October

Light rain. High 40°, low 33°.

Pressure30.00 inHg
Wind8.4 mph N
Humidity75%
Visibility—
Dew point32°
Sat, 3149° / 33°0Overcast
MorningOvercast39°feels 39°
AfternoonOvercast46°feels 46°
EveningOvercast45°feels 45°
OvernightOvercast43°feels 43°
49 °Overcast

Big Arm, Saturday, 31 October

Overcast. High 49°, low 33°.

Pressure30.06 inHg
Wind3.1 mph NE
Humidity73%
Visibility—
Dew point37°
Sun, 0148° / 42°0.26Rain
MorningRain44°feels 42°
AfternoonRain46°feels 46°
EveningRain44°feels 44°
OvernightRain43°feels 43°
48 °Rain

Big Arm, Sunday, 1 November

Rain. High 48°, low 42°.

Pressure29.80 inHg
Wind4.9 mph N
Humidity68%
Visibility—
Dew point36°
Mon, 0243° / 39°0.52Rain
MorningRain40°feels 38°
AfternoonRain40°feels 38°
EveningRain39°feels 39°
OvernightRain39°feels 37°
43 °Rain

Big Arm, Monday, 2 November

Rain. High 43°, low 39°.

Pressure30.03 inHg
Wind4.2 mph N
Humidity97%
Visibility—
Dew point39°
Tue, 0345° / 36°0.02Light rain
MorningLight rain40°feels 39°
AfternoonLight rain43°feels 43°
EveningLight rain40°feels 40°
OvernightLight rain37°feels 36°
45 °Light rain

Big Arm, Tuesday, 3 November

Light rain. High 45°, low 36°.

Pressure30.18 inHg
Wind3.8 mph S
Humidity75%
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.