As of 15:51 MST

Weather in Big Arm, MT

42°Current weather

Big Arm, Wednesday, 4 November, 15:51

Clear. Feels like 42°. High 42°, low 32°.

Pressure30.12 inHg
Wind2.8 mph S
Humidity76%
Visibility6.2 mi
Dew point35°

10-day forecast for Big Arm, MT: 30° to 54°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

54°
Best day: Friday, November 13
41°
Worst day: Thursday, November 5

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

Thu, 0541° / 30°0Overcast
MorningOvercast32°feels 32°
AfternoonOvercast41°feels 37°
EveningOvercast37°feels 31°
OvernightOvercast35°feels 35°
41 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 41°, low 30°.

Pressure30.21 inHg
Wind4.6 mph SW
Humidity81%
Visibility6.2 mi
Dew point33°
Fri, 0643° / 31°0Overcast
MorningOvercast33°feels 33°
AfternoonOvercast42°feels 38°
EveningOvercast41°feels 39°
OvernightClear37°feels 33°
43 °Overcast

Big Arm, Friday, 6 November

Overcast. High 43°, low 31°.

Pressure30.30 inHg
Wind5.4 mph SW
Humidity75%
Visibility6.2 mi
Dew point31°
Sat, 0750° / 41°0Overcast
MorningOvercast41°feels 41°
AfternoonOvercast49°feels 49°
EveningPartly cloudy46°feels 46°
OvernightOvercast41°feels 38°
50 °Overcast

Big Arm, Saturday, 7 November

Overcast. High 50°, low 41°.

Pressure30.21 inHg
Wind1.4 mph S
Humidity54%
Visibility6.2 mi
Dew point32°
Sun, 0849° / 40°0Overcast
MorningOvercast42°feels 40°
AfternoonOvercast48°feels 43°
EveningOvercast44°feels 39°
OvernightOvercast43°feels 43°
49 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 49°, low 40°.

Pressure30.06 inHg
Wind8.7 mph SW
Humidity63%
Visibility6.2 mi
Dew point36°
Mon, 0947° / 36°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast42°feels 41°
EveningOvercast42°feels 42°
OvernightOvercast40°feels 40°
47 °Overcast

Big Arm, Monday, 9 November

Overcast. High 47°, low 36°.

Pressure30.27 inHg
Wind6.7 mph SW
Humidity68%
Visibility—
Dew point32°
Tue, 1049° / 35°0Clear
MorningClear39°feels 39°
AfternoonClear44°feels 44°
EveningClear41°feels 41°
OvernightClear37°feels 37°
49 °Clear

Big Arm, Tuesday, 10 November

Clear. High 49°, low 35°.

Pressure30.24 inHg
Wind3.3 mph SW
Humidity61%
Visibility—
Dew point31°
Wed, 1150° / 34°0Mostly clear
MorningMostly clear38°feels 38°
AfternoonMostly clear44°feels 44°
EveningMostly clear40°feels 40°
OvernightMostly clear37°feels 37°
50 °Mostly clear

Big Arm, Wednesday, 11 November

Mostly clear. High 50°, low 34°.

Pressure30.30 inHg
Wind2.4 mph E
Humidity60%
Visibility—
Dew point30°
Thu, 1251° / 34°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast44°feels 44°
EveningOvercast40°feels 40°
OvernightOvercast38°feels 38°
51 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 51°, low 34°.

Pressure30.18 inHg
Wind2.1 mph E
Humidity56%
Visibility—
Dew point29°
Fri, 1354° / 37°0Overcast
MorningOvercast40°feels 40°
AfternoonOvercast46°feels 45°
EveningOvercast44°feels 43°
OvernightOvercast41°feels 41°
54 °Overcast

Big Arm, Friday, 13 November

Overcast. High 54°, low 37°.

Pressure29.97 inHg
Wind3.5 mph NE
Humidity44%
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.