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As of 11:40 MST

Weather in Big Arm, MT

43°Current weather

Big Arm, Monday, 2 November, 11:40

Overcast. Feels like 41°. High 43°, low 37°.

Pressure30.36 inHg
Wind4.5 mph S
Humidity57%
Visibility6.2 mi
Dew point29°

10-day forecast for Big Arm, MT: 33° to 59°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

59°
Best day: Sunday, November 8
43°
Worst day: Friday, November 6

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

Tue, 0346° / 36°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast46°feels 46°
EveningOvercast43°feels 43°
OvernightOvercast36°feels 36°
46 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 46°, low 36°.

Pressure30.18 inHg
Wind1.3 mph S
Humidity82%
Visibility6.2 mi
Dew point36°
Wed, 0447° / 36°0Partly cloudy
MorningOvercast36°feels 36°
AfternoonMostly clear47°feels 46°
EveningClear40°feels 40°
OvernightOvercast36°feels 36°
47 °Partly cloudy

Big Arm, Wednesday, 4 November

Partly cloudy. High 47°, low 36°.

Pressure30.12 inHg
Wind2.3 mph S
Humidity77%
Visibility6.2 mi
Dew point37°
Thu, 0542° / 36°0.01Light rain
MorningOvercast36°feels 36°
AfternoonOvercast42°feels 37°
EveningOvercast40°feels 34°
OvernightClear38°feels 38°
42 °Light rain

Big Arm, Thursday, 5 November

Light rain. High 42°, low 36°.

Pressure30.12 inHg
Wind4.1 mph SW
Humidity82%
Visibility6.2 mi
Dew point34°
Fri, 0643° / 33°0.01Light rain
MorningOvercast33°feels 33°
AfternoonLight rain40°feels 35°
EveningLight rain42°feels 35°
OvernightPartly cloudy35°feels 32°
43 °Light rain

Big Arm, Friday, 6 November

Light rain. High 43°, low 33°.

Pressure30.18 inHg
Wind12.9 mph SW
Humidity77%
Visibility—
Dew point32°
Sat, 0744° / 34°0Clear
MorningClear36°feels 32°
AfternoonClear41°feels 38°
EveningClear40°feels 40°
OvernightClear40°feels 39°
44 °Clear

Big Arm, Saturday, 7 November

Clear. High 44°, low 34°.

Pressure30.39 inHg
Wind8.8 mph SW
Humidity72%
Visibility—
Dew point32°
Sun, 0859° / 39°0Overcast
MorningOvercast42°feels 40°
AfternoonOvercast51°feels 48°
EveningOvercast53°feels 51°
OvernightOvercast47°feels 47°
59 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 59°, low 39°.

Pressure29.97 inHg
Wind11.6 mph SW
Humidity54%
Visibility—
Dew point33°
Mon, 0954° / 42°0Overcast
MorningOvercast45°feels 44°
AfternoonOvercast49°feels 47°
EveningOvercast47°feels 46°
OvernightOvercast43°feels 41°
54 °Overcast

Big Arm, Monday, 9 November

Overcast. High 54°, low 42°.

Pressure29.97 inHg
Wind4.9 mph S
Humidity69%
Visibility—
Dew point38°
Tue, 1052° / 38°0Partly cloudy
MorningPartly cloudy41°feels 38°
AfternoonPartly cloudy47°feels 46°
EveningPartly cloudy45°feels 45°
OvernightPartly cloudy41°feels 41°
52 °Partly cloudy

Big Arm, Tuesday, 10 November

Partly cloudy. High 52°, low 38°.

Pressure30.09 inHg
Wind4.5 mph S
Humidity65%
Visibility—
Dew point35°
Wed, 1150° / 39°0Overcast
MorningOvercast42°feels 42°
AfternoonOvercast46°feels 46°
EveningOvercast43°feels 43°
OvernightOvercast40°feels 40°
50 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 50°, low 39°.

Pressure30.15 inHg
Wind3.2 mph NE
Humidity68%
Visibility—
Dew point36°

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.