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As of 17:31 MST

Weather in Big Arm, MT

45°Current weather

Big Arm, Sunday, 8 November, 17:31

Overcast. Feels like 40°. High 54°, low 38°.

Pressure30.12 inHg
Wind9.1 mph S
Humidity57%
Visibility6.2 mi
Dew point31°

10-day forecast for Big Arm, MT: 33° to 58°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

56°
Best day: Thursday, November 12
47° · 0.28 in
Worst day: Monday, November 16

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

Mon, 0948° / 35°0.02Light rain
MorningOvercast41°feels 41°
AfternoonOvercast48°feels 48°
EveningOvercast41°feels 41°
OvernightOvercast35°feels 33°
48 °Light rain

Big Arm, Monday, 9 November

Light rain. High 48°, low 35°.

Pressure30.15 inHg
Wind1.7 mph SE
Humidity83%
Visibility3.9 mi
Dew point37°
Tue, 1048° / 39°0.04Light rain
MorningPartly cloudy40°feels 34°
AfternoonOvercast48°feels 44°
EveningOvercast44°feels 42°
OvernightLight rain39°feels 36°
48 °Light rain

Big Arm, Tuesday, 10 November

Light rain. High 48°, low 39°.

Pressure30.24 inHg
Wind9.7 mph SW
Humidity74%
Visibility6.2 mi
Dew point39°
Wed, 1153° / 43°0Overcast
MorningOvercast43°feels 43°
AfternoonOvercast53°feels 51°
EveningOvercast49°feels 49°
OvernightOvercast45°feels 45°
53 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 53°, low 43°.

Pressure30.18 inHg
Wind3.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point38°
Thu, 1256° / 46°0Overcast
MorningOvercast46°feels 46°
AfternoonOvercast56°feels 53°
EveningOvercast50°feels 50°
OvernightOvercast48°feels 48°
56 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 56°, low 46°.

Pressure29.94 inHg
Wind2 mph S
Humidity50%
Visibility6.2 mi
Dew point35°
Fri, 1355° / 45°0.02Light rain
MorningLight rain47°feels 46°
AfternoonLight rain52°feels 49°
EveningLight rain52°feels 49°
OvernightLight rain46°feels 43°
55 °Light rain

Big Arm, Friday, 13 November

Light rain. High 55°, low 45°.

Pressure29.59 inHg
Wind11.1 mph SW
Humidity47%
Visibility—
Dew point31°
Sat, 1458° / 41°0.06Light rain
MorningLight rain44°feels 40°
AfternoonLight rain51°feels 49°
EveningLight rain49°feels 47°
OvernightLight rain44°feels 42°
58 °Light rain

Big Arm, Saturday, 14 November

Light rain. High 58°, low 41°.

Pressure29.71 inHg
Wind9.6 mph SW
Humidity54%
Visibility—
Dew point34°
Sun, 1551° / 41°0Overcast
MorningOvercast44°feels 44°
AfternoonOvercast48°feels 48°
EveningOvercast45°feels 45°
OvernightOvercast44°feels 44°
51 °Overcast

Big Arm, Sunday, 15 November

Overcast. High 51°, low 41°.

Pressure29.74 inHg
Wind5.2 mph SW
Humidity56%
Visibility—
Dew point32°
Mon, 1647° / 40°0.28Light rain
MorningLight rain45°feels 45°
AfternoonLight rain47°feels 47°
EveningLight rain44°feels 43°
OvernightLight rain41°feels 37°
47 °Light rain

Big Arm, Monday, 16 November

Light rain. High 47°, low 40°.

Pressure29.65 inHg
Wind7.2 mph S
Humidity64%
Visibility—
Dew point35°
Tue, 1743° / 33°0.08Light rain
MorningLight rain40°feels 35°
AfternoonLight rain41°feels 36°
EveningLight rain37°feels 34°
OvernightLight rain34°feels 30°
43 °Light rain

Big Arm, Tuesday, 17 November

Light rain. High 43°, low 33°.

Pressure30.00 inHg
Wind8.3 mph SW
Humidity62%
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.