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As of 03:45 MST

Weather in Big Arm, MT

32°Current weather

Big Arm, Wednesday, 4 November, 03:45

Overcast. Feels like 32°. High 45°, low 31°.

Pressure30.18 inHg
Wind0.9 mph E
Humidity56%
Visibility0.2 mi
Dew point20°

10-day forecast for Big Arm, MT: 31° to 55°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

55°
Best day: Friday, November 13
43°
Worst day: Thursday, November 5

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

Thu, 0543° / 34°0Overcast
MorningOvercast34°feels 34°
AfternoonOvercast43°feels 38°
EveningOvercast41°feels 35°
OvernightClear34°feels 34°
43 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 43°, low 34°.

Pressure30.18 inHg
Wind6.7 mph SW
Humidity69%
Visibility6.2 mi
Dew point33°
Fri, 0644° / 34°0Overcast
MorningOvercast34°feels 34°
AfternoonOvercast44°feels 41°
EveningOvercast43°feels 40°
OvernightMostly clear37°feels 33°
44 °Overcast

Big Arm, Friday, 6 November

Overcast. High 44°, low 34°.

Pressure30.27 inHg
Wind6 mph SW
Humidity71%
Visibility6.2 mi
Dew point31°
Sat, 0751° / 43°0Overcast
MorningOvercast44°feels 42°
AfternoonOvercast51°feels 49°
EveningOvercast48°feels 48°
OvernightOvercast44°feels 42°
51 °Overcast

Big Arm, Saturday, 7 November

Overcast. High 51°, low 43°.

Pressure30.24 inHg
Wind3.9 mph SW
Humidity61%
Visibility6.2 mi
Dew point36°
Sun, 0854° / 41°0Overcast
MorningOvercast45°feels 44°
AfternoonOvercast50°feels 47°
EveningOvercast46°feels 42°
OvernightOvercast45°feels 45°
54 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 54°, low 41°.

Pressure29.97 inHg
Wind14.4 mph SW
Humidity62%
Visibility—
Dew point37°
Mon, 0948° / 38°0Clear
MorningClear40°feels 40°
AfternoonClear45°feels 45°
EveningClear42°feels 42°
OvernightClear40°feels 38°
48 °Clear

Big Arm, Monday, 9 November

Clear. High 48°, low 38°.

Pressure30.24 inHg
Wind3.7 mph S
Humidity62%
Visibility—
Dew point32°
Tue, 1049° / 33°0Clear
MorningClear37°feels 37°
AfternoonClear43°feels 43°
EveningClear40°feels 40°
OvernightClear36°feels 36°
49 °Clear

Big Arm, Tuesday, 10 November

Clear. High 49°, low 33°.

Pressure30.24 inHg
Wind2.7 mph N
Humidity57%
Visibility—
Dew point28°
Wed, 1149° / 33°0Clear
MorningClear37°feels 37°
AfternoonClear43°feels 43°
EveningClear40°feels 40°
OvernightClear37°feels 37°
49 °Clear

Big Arm, Wednesday, 11 November

Clear. High 49°, low 33°.

Pressure30.24 inHg
Wind2.5 mph E
Humidity63%
Visibility—
Dew point31°
Thu, 1250° / 34°0Partly cloudy
MorningPartly cloudy38°feels 38°
AfternoonPartly cloudy44°feels 44°
EveningPartly cloudy42°feels 42°
OvernightPartly cloudy42°feels 42°
50 °Partly cloudy

Big Arm, Thursday, 12 November

Partly cloudy. High 50°, low 34°.

Pressure30.06 inHg
Wind2.7 mph SW
Humidity59%
Visibility—
Dew point30°
Fri, 1355° / 39°0Overcast
MorningOvercast43°feels 41°
AfternoonOvercast49°feels 49°
EveningOvercast49°feels 47°
OvernightOvercast40°feels 39°
55 °Overcast

Big Arm, Friday, 13 November

Overcast. High 55°, low 39°.

Pressure30.00 inHg
Wind6.6 mph NW
Humidity47%
Visibility—
Dew point28°

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.