EN
English Español

As of 10:01 MST

Weather in Big Arm, MT

38°Current weather

Big Arm, Monday, 9 November, 10:01

Overcast. Feels like 38°. High 51°, low 36°.

Pressure30.18 inHg
Wind2 mph NE
Humidity58%
Visibility6.2 mi
Dew point28°

10-day forecast for Big Arm, MT: 27° to 57°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

57°
Best day: Thursday, November 12
45° · 0.11 in
Worst day: Sunday, November 15

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

Tue, 1051° / 41°0.06Light rain
MorningOvercast41°feels 37°
AfternoonOvercast50°feels 49°
EveningOvercast48°feels 46°
OvernightOvercast41°feels 38°
51 °Light rain

Big Arm, Tuesday, 10 November

Light rain. High 51°, low 41°.

Pressure30.18 inHg
Wind8.8 mph SW
Humidity87%
Visibility6.2 mi
Dew point41°
Wed, 1154° / 43°0Overcast
MorningPartly cloudy44°feels 44°
AfternoonOvercast54°feels 52°
EveningOvercast50°feels 48°
OvernightOvercast45°feels 42°
54 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 54°, low 43°.

Pressure30.15 inHg
Wind3.9 mph SW
Humidity62%
Visibility6.2 mi
Dew point40°
Thu, 1257° / 46°0Overcast
MorningOvercast46°feels 46°
AfternoonOvercast57°feels 54°
EveningOvercast51°feels 49°
OvernightOvercast49°feels 49°
57 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 57°, low 46°.

Pressure29.94 inHg
Wind2.2 mph S
Humidity43%
Visibility6.2 mi
Dew point33°
Fri, 1355° / 45°0Overcast
MorningOvercast45°feels 45°
AfternoonOvercast51°feels 49°
EveningOvercast49°feels 49°
OvernightOvercast47°feels 47°
55 °Overcast

Big Arm, Friday, 13 November

Overcast. High 55°, low 45°.

Pressure29.62 inHg
Wind1.7 mph S
Humidity48%
Visibility—
Dew point32°
Sat, 1447° / 38°0.01Light rain
MorningLight rain44°feels 42°
AfternoonLight rain42°feels 38°
EveningLight rain42°feels 39°
OvernightLight rain40°feels 39°
47 °Light rain

Big Arm, Saturday, 14 November

Light rain. High 47°, low 38°.

Pressure29.74 inHg
Wind9.4 mph SW
Humidity87%
Visibility—
Dew point39°
Sun, 1545° / 38°0.11Light rain
MorningLight rain42°feels 39°
AfternoonLight rain44°feels 44°
EveningLight rain42°feels 38°
OvernightLight rain39°feels 35°
45 °Light rain

Big Arm, Sunday, 15 November

Light rain. High 45°, low 38°.

Pressure29.65 inHg
Wind6.1 mph S
Humidity84%
Visibility—
Dew point40°
Mon, 1645° / 35°0.02Light rain
MorningLight rain38°feels 36°
AfternoonLight rain41°feels 39°
EveningLight rain39°feels 35°
OvernightLight rain35°feels 31°
45 °Light rain

Big Arm, Monday, 16 November

Light rain. High 45°, low 35°.

Pressure29.88 inHg
Wind5.8 mph SW
Humidity71%
Visibility—
Dew point32°
Tue, 1741° / 30°0Clear
MorningClear33°feels 28°
AfternoonClear38°feels 35°
EveningClear35°feels 35°
OvernightClear30°feels 29°
41 °Clear

Big Arm, Tuesday, 17 November

Clear. High 41°, low 30°.

Pressure30.30 inHg
Wind5.9 mph SW
Humidity71%
Visibility—
Dew point29°
Wed, 1839° / 27°0Clear
MorningClear30°feels 28°
AfternoonClear35°feels 35°
EveningClear33°feels 33°
OvernightClear31°feels 30°
39 °Clear

Big Arm, Wednesday, 18 November

Clear. High 39°, low 27°.

Pressure30.39 inHg
Wind3.6 mph NW
Humidity69%
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.