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As of 14:00 MST

Weather in Big Arm, MT

48°Current weather

Big Arm, Monday, 2 November, 14:00

Overcast. Feels like 46°. High 48°, low 37°.

Pressure30.36 inHg
Wind4.8 mph S
Humidity63%
Visibility6.2 mi
Dew point36°

10-day forecast for Big Arm, MT: 34° to 59°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

59°
Best day: Sunday, November 8
44°
Worst day: Friday, November 6

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

Tue, 0346° / 36°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast46°feels 46°
EveningOvercast41°feels 41°
OvernightOvercast36°feels 36°
46 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 46°, low 36°.

Pressure30.21 inHg
Wind1.1 mph S
Humidity82%
Visibility6.2 mi
Dew point36°
Wed, 0446° / 36°0Partly cloudy
MorningOvercast36°feels 36°
AfternoonClear46°feels 46°
EveningClear39°feels 39°
OvernightOvercast40°feels 40°
46 °Partly cloudy

Big Arm, Wednesday, 4 November

Partly cloudy. High 46°, low 36°.

Pressure30.12 inHg
Wind1.9 mph S
Humidity76%
Visibility6.2 mi
Dew point36°
Thu, 0546° / 36°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast46°feels 41°
EveningMostly clear39°feels 33°
OvernightClear38°feels 38°
46 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 46°, low 36°.

Pressure30.09 inHg
Wind5.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point33°
Fri, 0644° / 34°0.02Light rain
MorningOvercast34°feels 30°
AfternoonOvercast44°feels 39°
EveningLight rain42°feels 34°
OvernightClear35°feels 31°
44 °Light rain

Big Arm, Friday, 6 November

Light rain. High 44°, low 34°.

Pressure30.12 inHg
Wind7 mph SW
Humidity75%
Visibility6.2 mi
Dew point33°
Sat, 0746° / 36°0Light rain
MorningLight rain38°feels 35°
AfternoonLight rain42°feels 39°
EveningLight rain42°feels 42°
OvernightLight rain41°feels 40°
46 °Light rain

Big Arm, Saturday, 7 November

Light rain. High 46°, low 36°.

Pressure30.36 inHg
Wind8.3 mph W
Humidity76%
Visibility—
Dew point34°
Sun, 0859° / 38°0Overcast
MorningOvercast42°feels 40°
AfternoonOvercast50°feels 47°
EveningOvercast53°feels 51°
OvernightOvercast45°feels 44°
59 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 59°, low 38°.

Pressure30.00 inHg
Wind10 mph SW
Humidity51%
Visibility—
Dew point30°
Mon, 0950° / 41°0Overcast
MorningOvercast43°feels 43°
AfternoonOvercast48°feels 48°
EveningOvercast46°feels 46°
OvernightOvercast43°feels 43°
50 °Overcast

Big Arm, Monday, 9 November

Overcast. High 50°, low 41°.

Pressure30.12 inHg
Wind3.2 mph NW
Humidity72%
Visibility—
Dew point38°
Tue, 1053° / 39°0Mostly clear
MorningMostly clear43°feels 43°
AfternoonMostly clear48°feels 48°
EveningMostly clear44°feels 44°
OvernightMostly clear42°feels 42°
53 °Mostly clear

Big Arm, Tuesday, 10 November

Mostly clear. High 53°, low 39°.

Pressure30.09 inHg
Wind2.4 mph SW
Humidity71%
Visibility—
Dew point38°
Wed, 1152° / 38°0Mostly clear
MorningMostly clear41°feels 41°
AfternoonMostly clear47°feels 47°
EveningMostly clear43°feels 43°
OvernightMostly clear41°feels 40°
52 °Mostly clear

Big Arm, Wednesday, 11 November

Mostly clear. High 52°, low 38°.

Pressure30.15 inHg
Wind3.2 mph N
Humidity65%
Visibility—
Dew point35°

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.