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As of 06:13 MDT

Weather in Big Arm, MT

33°Current weather

Big Arm, Monday, 26 October, 06:13

Overcast. Feels like 29°. High 54°, low 33°.

Pressure30.12 inHg
Wind4.7 mph N
Humidity63%
Visibility6.2 mi
Dew point25°

10-day forecast for Big Arm, MT: 30° to 54°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

54°
Best day: Monday, October 26
42° · 0.2 in
Worst day: Wednesday, October 28

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

Tue, 2751° / 36°0.11Light rain
MorningOvercast41°feels 36°
AfternoonLight rain47°feels 42°
EveningPartly cloudy39°feels 34°
OvernightLight rain39°feels 36°
51 °Light rain

Big Arm, Tuesday, 27 October

Light rain. High 51°, low 36°.

Pressure29.94 inHg
Wind10.6 mph SW
Humidity81%
Visibility6.2 mi
Dew point36°
Wed, 2842° / 34°0.2Snow
MorningOvercast37°feels 32°
AfternoonLight rain41°feels 36°
EveningOvercast36°feels 32°
OvernightOvercast37°feels 33°
42 °Snow

Big Arm, Wednesday, 28 October

Snow. High 42°, low 34°.

Pressure29.97 inHg
Wind6.7 mph S
Humidity87%
Visibility6.2 mi
Dew point36°
Thu, 2942° / 32°0.02Snow
MorningOvercast32°feels 32°
AfternoonMostly clear40°feels 40°
EveningPartly cloudy36°feels 32°
OvernightOvercast32°feels 32°
42 °Snow

Big Arm, Thursday, 29 October

Snow. High 42°, low 32°.

Pressure30.12 inHg
Wind2.2 mph S
Humidity81%
Visibility3.2 mi
Dew point31°
Fri, 3043° / 33°0Overcast
MorningOvercast35°feels 30°
AfternoonOvercast40°feels 37°
EveningOvercast40°feels 40°
OvernightOvercast35°feels 29°
43 °Overcast

Big Arm, Friday, 30 October

Overcast. High 43°, low 33°.

Pressure29.94 inHg
Wind6.8 mph N
Humidity75%
Visibility—
Dew point31°
Sat, 3146° / 34°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast42°feels 42°
EveningOvercast42°feels 42°
OvernightOvercast40°feels 40°
46 °Overcast

Big Arm, Saturday, 31 October

Overcast. High 46°, low 34°.

Pressure30.00 inHg
Wind2.7 mph E
Humidity85%
Visibility—
Dew point36°
Sun, 0145° / 34°0.08Snow
MorningSnow38°feels 38°
AfternoonSnow42°feels 41°
EveningSnow40°feels 37°
OvernightSnow35°feels 31°
45 °Snow

Big Arm, Sunday, 1 November

Snow. High 45°, low 34°.

Pressure30.09 inHg
Wind5.5 mph S
Humidity75%
Visibility—
Dew point34°
Mon, 0243° / 30°0Partly cloudy
MorningPartly cloudy33°feels 28°
AfternoonPartly cloudy38°feels 36°
EveningPartly cloudy37°feels 37°
OvernightPartly cloudy31°feels 30°
43 °Partly cloudy

Big Arm, Monday, 2 November

Partly cloudy. High 43°, low 30°.

Pressure30.42 inHg
Wind5.3 mph SW
Humidity74%
Visibility—
Dew point30°
Tue, 0342° / 30°0Overcast
MorningOvercast32°feels 32°
AfternoonOvercast38°feels 38°
EveningOvercast38°feels 37°
OvernightOvercast37°feels 35°
42 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 42°, low 30°.

Pressure30.12 inHg
Wind3 mph SW
Humidity69%
Visibility—
Dew point28°
Wed, 0443° / 38°0.01Light rain
MorningLight rain40°feels 35°
AfternoonLight rain43°feels 40°
EveningLight rain41°feels 41°
OvernightLight rain38°feels 37°
43 °Light rain

Big Arm, Wednesday, 4 November

Light rain. High 43°, low 38°.

Pressure30.06 inHg
Wind6.5 mph SW
Humidity87%
Visibility—
Dew point39°

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.