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As of 13:20 MDT

Weather in Big Arm, MT

44°Current weather

Big Arm, Wednesday, 28 October, 13:20

Overcast. Feels like 43°. High 44°, low 35°.

Pressure30.00 inHg
Wind3 mph SE
Humidity57%
Visibility6.2 mi
Dew point31°

10-day forecast for Big Arm, MT: 33° to 49°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

49°
Best day: Friday, November 6
43° · 0.31 in
Worst day: Sunday, November 1

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

Thu, 2945° / 33°0Overcast
MorningClear33°feels 33°
AfternoonClear43°feels 43°
EveningOvercast39°feels 35°
OvernightPartly cloudy33°feels 29°
45 °Overcast

Big Arm, Thursday, 29 October

Overcast. High 45°, low 33°.

Pressure30.12 inHg
Wind2.4 mph E
Humidity70%
Visibility6.2 mi
Dew point32°
Fri, 3046° / 35°0Overcast
MorningOvercast35°feels 30°
AfternoonPartly cloudy44°feels 44°
EveningOvercast39°feels 39°
OvernightOvercast36°feels 30°
46 °Overcast

Big Arm, Friday, 30 October

Overcast. High 46°, low 35°.

Pressure30.03 inHg
Wind4.2 mph NE
Humidity70%
Visibility6.0 mi
Dew point32°
Sat, 3149° / 38°0.01Light rain
MorningOvercast38°feels 38°
AfternoonOvercast48°feels 48°
EveningOvercast44°feels 44°
OvernightLight rain41°feels 41°
49 °Light rain

Big Arm, Saturday, 31 October

Light rain. High 49°, low 38°.

Pressure30.06 inHg
Wind1.6 mph NE
Humidity83%
Visibility2.8 mi
Dew point39°
Sun, 0143° / 39°0.31Light rain
MorningLight rain42°feels 42°
AfternoonLight rain42°feels 40°
EveningLight rain42°feels 42°
OvernightLight rain43°feels 43°
43 °Light rain

Big Arm, Sunday, 1 November

Light rain. High 43°, low 39°.

Pressure29.91 inHg
Wind4.6 mph NW
Humidity94%
Visibility2.8 mi
Dew point40°
Mon, 0244° / 35°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast40°feels 38°
EveningOvercast39°feels 39°
OvernightOvercast35°feels 35°
44 °Overcast

Big Arm, Monday, 2 November

Overcast. High 44°, low 35°.

Pressure30.47 inHg
Wind4.5 mph S
Humidity86%
Visibility—
Dew point35°
Tue, 0347° / 33°0Overcast
MorningOvercast36°feels 34°
AfternoonOvercast42°feels 42°
EveningOvercast40°feels 40°
OvernightOvercast37°feels 36°
47 °Overcast

Big Arm, Tuesday, 3 November

Overcast. High 47°, low 33°.

Pressure30.36 inHg
Wind3.1 mph SW
Humidity52%
Visibility—
Dew point25°
Wed, 0449° / 34°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast44°feels 44°
EveningOvercast41°feels 41°
OvernightOvercast37°feels 37°
49 °Overcast

Big Arm, Wednesday, 4 November

Overcast. High 49°, low 34°.

Pressure30.12 inHg
Wind3.2 mph N
Humidity55%
Visibility—
Dew point28°
Thu, 0547° / 35°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast43°feels 43°
EveningOvercast41°feels 41°
OvernightOvercast37°feels 37°
47 °Overcast

Big Arm, Thursday, 5 November

Overcast. High 47°, low 35°.

Pressure30.03 inHg
Wind2 mph W
Humidity64%
Visibility—
Dew point30°
Fri, 0649° / 34°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast44°feels 44°
EveningOvercast41°feels 41°
OvernightOvercast37°feels 37°
49 °Overcast

Big Arm, Friday, 6 November

Overcast. High 49°, low 34°.

Pressure30.06 inHg
Wind2.3 mph E
Humidity61%
Visibility—
Dew point30°

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.