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As of 02:15 MDT

Weather in Big Arm, MT

35°Current weather

Big Arm, Saturday, 31 October, 02:15

Partly cloudy. Feels like 35°. High 47°, low 35°.

Pressure30.03 inHg
Wind1.3 mph N
Humidity48%
Visibility6.2 mi
Dew point23°

10-day forecast for Big Arm, MT: 33° to 60°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

60°
Best day: Monday, November 9
48° · 0.05 in
Worst day: Friday, November 6

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

Sun, 0145° / 37°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast44°feels 44°
EveningPartly cloudy39°feels 39°
OvernightOvercast38°feels 38°
45 °Overcast

Big Arm, Sunday, 1 November

Overcast. High 45°, low 37°.

Pressure29.94 inHg
Wind0.2 mph S
Humidity79%
Visibility6.2 mi
Dew point37°
Mon, 0245° / 35°0Partly cloudy
MorningOvercast35°feels 35°
AfternoonMostly clear43°feels 41°
EveningClear39°feels 39°
OvernightPartly cloudy37°feels 37°
45 °Partly cloudy

Big Arm, Monday, 2 November

Partly cloudy. High 45°, low 35°.

Pressure30.39 inHg
Wind3.4 mph S
Humidity85%
Visibility4.9 mi
Dew point36°
Tue, 0345° / 37°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast44°feels 44°
EveningMostly clear40°feels 40°
OvernightOvercast39°feels 39°
45 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 45°, low 37°.

Pressure30.33 inHg
Wind2.6 mph SW
Humidity69%
Visibility6.2 mi
Dew point33°
Wed, 0451° / 38°0Clear
MorningClear41°feels 41°
AfternoonClear46°feels 46°
EveningClear45°feels 45°
OvernightClear40°feels 40°
51 °Clear

Big Arm, Wednesday, 4 November

Clear. High 51°, low 38°.

Pressure30.18 inHg
Wind2.8 mph N
Humidity59%
Visibility—
Dew point32°
Thu, 0551° / 39°0Overcast
MorningOvercast41°feels 41°
AfternoonOvercast46°feels 46°
EveningOvercast42°feels 42°
OvernightOvercast40°feels 40°
51 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 51°, low 39°.

Pressure29.91 inHg
Wind3.4 mph E
Humidity67%
Visibility—
Dew point35°
Fri, 0648° / 39°0.05Light rain
MorningLight rain44°feels 41°
AfternoonLight rain47°feels 43°
EveningLight rain44°feels 39°
OvernightLight rain40°feels 36°
48 °Light rain

Big Arm, Friday, 6 November

Light rain. High 48°, low 39°.

Pressure29.80 inHg
Wind10.6 mph SW
Humidity71%
Visibility—
Dew point38°
Sat, 0747° / 33°0Mostly clear
MorningMostly clear36°feels 30°
AfternoonMostly clear42°feels 38°
EveningMostly clear43°feels 42°
OvernightMostly clear38°feels 35°
47 °Mostly clear

Big Arm, Saturday, 7 November

Mostly clear. High 47°, low 33°.

Pressure30.36 inHg
Wind7.8 mph SW
Humidity66%
Visibility—
Dew point30°
Sun, 0856° / 38°0Overcast
MorningOvercast41°feels 37°
AfternoonOvercast48°feels 46°
EveningOvercast48°feels 47°
OvernightOvercast44°feels 41°
56 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 56°, low 38°.

Pressure30.27 inHg
Wind5.7 mph SW
Humidity51%
Visibility—
Dew point29°
Mon, 0960° / 41°0Partly cloudy
MorningPartly cloudy45°feels 42°
AfternoonPartly cloudy53°feels 50°
EveningPartly cloudy51°feels 48°
OvernightPartly cloudy45°feels 42°
60 °Partly cloudy

Big Arm, Monday, 9 November

Partly cloudy. High 60°, low 41°.

Pressure30.12 inHg
Wind6.5 mph SW
Humidity52%
Visibility—
Dew point34°

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.