EN
English Español

As of 17:55 MST

Weather in Big Arm, MT

36°Current weather

Big Arm, Sunday, 1 November, 17:55

Partly cloudy. Feels like 36°. High 41°, low 36°.

Pressure30.00 inHg
Wind0.5 mph SW
Humidity51%
Visibility6.2 mi
Dew point21°

10-day forecast for Big Arm, MT: 33° to 53°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

47°
Best day: Wednesday, November 4
41° · 0.07 in
Worst day: Sunday, November 1

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

Mon, 0240° / 36°0Overcast
MorningPartly cloudy38°feels 38°
AfternoonOvercast38°feels 35°
EveningClear38°feels 38°
OvernightOvercast39°feels 39°
40 °Overcast

Big Arm, Monday, 2 November

Overcast. High 40°, low 36°.

Pressure30.36 inHg
Wind3.7 mph SW
Humidity76%
Visibility6.2 mi
Dew point34°
Tue, 0345° / 35°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast45°feels 45°
EveningOvercast40°feels 40°
OvernightOvercast36°feels 36°
45 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 45°, low 35°.

Pressure30.21 inHg
Wind1.5 mph S
Humidity77%
Visibility6.2 mi
Dew point35°
Wed, 0447° / 36°0Partly cloudy
MorningMostly clear38°feels 38°
AfternoonMostly clear47°feels 47°
EveningPartly cloudy40°feels 40°
OvernightOvercast37°feels 37°
47 °Partly cloudy

Big Arm, Wednesday, 4 November

Partly cloudy. High 47°, low 36°.

Pressure30.12 inHg
Wind2.1 mph S
Humidity79%
Visibility6.2 mi
Dew point38°
Thu, 0542° / 35°0.04Light rain
MorningOvercast36°feels 34°
AfternoonOvercast41°feels 35°
EveningLight rain41°feels 35°
OvernightOvercast36°feels 36°
42 °Light rain

Big Arm, Thursday, 5 November

Light rain. High 42°, low 35°.

Pressure30.15 inHg
Wind6.8 mph SW
Humidity92%
Visibility5.6 mi
Dew point37°
Fri, 0639° / 34°0.04Light rain
MorningLight rain35°feels 35°
AfternoonLight rain38°feels 34°
EveningLight rain39°feels 31°
OvernightLight rain36°feels 29°
39 °Light rain

Big Arm, Friday, 6 November

Light rain. High 39°, low 34°.

Pressure30.12 inHg
Wind14.3 mph SW
Humidity79%
Visibility—
Dew point32°
Sat, 0744° / 33°0Overcast
MorningOvercast36°feels 33°
AfternoonOvercast44°feels 42°
EveningOvercast43°feels 43°
OvernightOvercast39°feels 37°
44 °Overcast

Big Arm, Saturday, 7 November

Overcast. High 44°, low 33°.

Pressure30.21 inHg
Wind4.3 mph S
Humidity67%
Visibility—
Dew point32°
Sun, 0853° / 39°0.05Light rain
MorningLight rain43°feels 40°
AfternoonLight rain52°feels 50°
EveningLight rain46°feels 43°
OvernightLight rain40°feels 35°
53 °Light rain

Big Arm, Sunday, 8 November

Light rain. High 53°, low 39°.

Pressure29.94 inHg
Wind10 mph S
Humidity55%
Visibility—
Dew point36°
Mon, 0945° / 33°0Overcast
MorningOvercast37°feels 35°
AfternoonOvercast42°feels 42°
EveningOvercast39°feels 39°
OvernightOvercast37°feels 37°
45 °Overcast

Big Arm, Monday, 9 November

Overcast. High 45°, low 33°.

Pressure30.24 inHg
Wind4.9 mph SW
Humidity70%
Visibility—
Dew point32°
Tue, 1047° / 36°0Overcast
MorningOvercast39°feels 39°
AfternoonOvercast44°feels 44°
EveningOvercast42°feels 42°
OvernightOvercast41°feels 41°
47 °Overcast

Big Arm, Tuesday, 10 November

Overcast. High 47°, low 36°.

Pressure30.09 inHg
Wind3.2 mph N
Humidity63%
Visibility—
Dew point31°

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.