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As of 21:45 MST

Weather in Big Arm, MT

37°Current weather

Big Arm, Friday, 6 November, 21:45

Partly cloudy. Feels like 34°. High 47°, low 33°.

Pressure30.15 inHg
Wind4.1 mph SW
Humidity67%
Visibility5.8 mi
Dew point28°

10-day forecast for Big Arm, MT: 33° to 55°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

55°
Best day: Thursday, November 12
49° · 0.05 in
Worst day: Tuesday, November 10

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

Sat, 0751° / 40°0Partly cloudy
MorningClear41°feels 39°
AfternoonOvercast50°feels 48°
EveningOvercast45°feels 45°
OvernightOvercast42°feels 41°
51 °Partly cloudy

Big Arm, Saturday, 7 November

Partly cloudy. High 51°, low 40°.

Pressure30.21 inHg
Wind3.5 mph S
Humidity61%
Visibility6.2 mi
Dew point37°
Sun, 0849° / 39°0Overcast
MorningOvercast45°feels 43°
AfternoonOvercast49°feels 44°
EveningOvercast41°feels 37°
OvernightPartly cloudy43°feels 43°
49 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 49°, low 39°.

Pressure30.03 inHg
Wind11.7 mph SW
Humidity67%
Visibility6.2 mi
Dew point37°
Mon, 0943° / 36°0Light rain
MorningOvercast39°feels 39°
AfternoonOvercast43°feels 43°
EveningOvercast40°feels 40°
OvernightOvercast37°feels 34°
43 °Light rain

Big Arm, Monday, 9 November

Light rain. High 43°, low 36°.

Pressure30.18 inHg
Wind3.5 mph S
Humidity69%
Visibility6.2 mi
Dew point33°
Tue, 1049° / 40°0.05Light rain
MorningOvercast41°feels 36°
AfternoonOvercast49°feels 45°
EveningOvercast46°feels 44°
OvernightLight rain40°feels 37°
49 °Light rain

Big Arm, Tuesday, 10 November

Light rain. High 49°, low 40°.

Pressure30.15 inHg
Wind8.2 mph S
Humidity85%
Visibility6.2 mi
Dew point41°
Wed, 1153° / 43°0Overcast
MorningOvercast45°feels 45°
AfternoonOvercast49°feels 49°
EveningOvercast48°feels 48°
OvernightOvercast48°feels 48°
53 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 53°, low 43°.

Pressure30.27 inHg
Wind3.1 mph SW
Humidity75%
Visibility—
Dew point41°
Thu, 1255° / 41°0Overcast
MorningOvercast48°feels 48°
AfternoonOvercast51°feels 49°
EveningOvercast46°feels 46°
OvernightOvercast43°feels 43°
55 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 55°, low 41°.

Pressure30.09 inHg
Wind2.3 mph SW
Humidity56%
Visibility—
Dew point37°
Fri, 1353° / 38°0Overcast
MorningOvercast41°feels 38°
AfternoonOvercast46°feels 46°
EveningOvercast44°feels 44°
OvernightOvercast40°feels 38°
53 °Overcast

Big Arm, Friday, 13 November

Overcast. High 53°, low 38°.

Pressure30.09 inHg
Wind4.5 mph SW
Humidity62%
Visibility—
Dew point33°
Sat, 1454° / 37°0Mostly clear
MorningMostly clear41°feels 38°
AfternoonMostly clear47°feels 47°
EveningMostly clear44°feels 44°
OvernightMostly clear40°feels 40°
54 °Mostly clear

Big Arm, Saturday, 14 November

Mostly clear. High 54°, low 37°.

Pressure29.97 inHg
Wind4.9 mph SW
Humidity43%
Visibility—
Dew point25°
Sun, 1550° / 37°0Overcast
MorningOvercast40°feels 37°
AfternoonOvercast46°feels 44°
EveningOvercast44°feels 44°
OvernightOvercast42°feels 41°
50 °Overcast

Big Arm, Sunday, 15 November

Overcast. High 50°, low 37°.

Pressure30.06 inHg
Wind4.4 mph S
Humidity45%
Visibility—
Dew point25°

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.