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As of 23:19 MST

Weather in Big Arm, MT

37°Current weather

Big Arm, Monday, 9 November, 23:19

Light rain. Feels like 37°. High 49°, low 36°.

Pressure30.09 inHg
Wind2.1 mph SW
Humidity50%
Visibility6.2 mi
Dew point25°

10-day forecast for Big Arm, MT: 30° to 55°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

55°
Best day: Thursday, November 12
48° · 0.11 in
Worst day: Monday, November 16

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

Tue, 1049° / 38°0.09Light rain
MorningOvercast41°feels 36°
AfternoonOvercast49°feels 46°
EveningOvercast47°feels 44°
OvernightOvercast40°feels 39°
49 °Light rain

Big Arm, Tuesday, 10 November

Light rain. High 49°, low 38°.

Pressure30.21 inHg
Wind7.4 mph SW
Humidity89%
Visibility6.2 mi
Dew point41°
Wed, 1153° / 43°0Overcast
MorningMostly clear43°feels 43°
AfternoonOvercast53°feels 51°
EveningOvercast49°feels 49°
OvernightOvercast46°feels 46°
53 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 53°, low 43°.

Pressure30.18 inHg
Wind3.2 mph SW
Humidity63%
Visibility6.2 mi
Dew point39°
Thu, 1255° / 46°0Overcast
MorningOvercast46°feels 46°
AfternoonOvercast55°feels 52°
EveningOvercast50°feels 47°
OvernightOvercast48°feels 48°
55 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 55°, low 46°.

Pressure29.94 inHg
Wind2.7 mph S
Humidity45%
Visibility6.2 mi
Dew point32°
Fri, 1355° / 43°0Overcast
MorningOvercast43°feels 43°
AfternoonOvercast55°feels 52°
EveningOvercast49°feels 49°
OvernightOvercast46°feels 46°
55 °Overcast

Big Arm, Friday, 13 November

Overcast. High 55°, low 43°.

Pressure29.62 inHg
Wind1 mph E
Humidity53%
Visibility6.2 mi
Dew point35°
Sat, 1446° / 37°0.03Light rain
MorningLight rain45°feels 44°
AfternoonLight rain45°feels 44°
EveningLight rain41°feels 41°
OvernightLight rain39°feels 37°
46 °Light rain

Big Arm, Saturday, 14 November

Light rain. High 46°, low 37°.

Pressure29.62 inHg
Wind3.8 mph SW
Humidity72%
Visibility—
Dew point37°
Sun, 1548° / 37°0Partly cloudy
MorningPartly cloudy39°feels 38°
AfternoonPartly cloudy43°feels 41°
EveningPartly cloudy43°feels 43°
OvernightPartly cloudy41°feels 39°
48 °Partly cloudy

Big Arm, Sunday, 15 November

Partly cloudy. High 48°, low 37°.

Pressure29.94 inHg
Wind3.8 mph SW
Humidity77%
Visibility—
Dew point35°
Mon, 1648° / 39°0.11Light rain
MorningLight rain42°feels 39°
AfternoonLight rain46°feels 44°
EveningLight rain43°feels 42°
OvernightLight rain41°feels 38°
48 °Light rain

Big Arm, Monday, 16 November

Light rain. High 48°, low 39°.

Pressure29.85 inHg
Wind4.9 mph SW
Humidity63%
Visibility—
Dew point33°
Tue, 1743° / 33°0.02Light rain
MorningLight rain37°feels 31°
AfternoonLight rain40°feels 36°
EveningLight rain38°feels 35°
OvernightLight rain36°feels 31°
43 °Light rain

Big Arm, Tuesday, 17 November

Light rain. High 43°, low 33°.

Pressure30.06 inHg
Wind7.4 mph S
Humidity70%
Visibility—
Dew point30°
Wed, 1841° / 30°0Mostly clear
MorningMostly clear33°feels 33°
AfternoonMostly clear38°feels 38°
EveningMostly clear35°feels 35°
OvernightMostly clear31°feels 31°
41 °Mostly clear

Big Arm, Wednesday, 18 November

Mostly clear. High 41°, low 30°.

Pressure30.03 inHg
Wind4.2 mph S
Humidity72%
Visibility—
Dew point29°

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.