10-day forecast for Big Arm, MT: 30° to 54°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
54°
Best day: Friday, November 13
41°
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0541° / 30°0
Morning32°feels 32°
Afternoon41°feels 37°
Evening37°feels 31°
Overnight35°feels 35°
41 °
Big Arm, Thursday, 5 November
Overcast. High 41°, low 30°.
Pressure30.21 inHg
Wind4.6 mph SW
Humidity81%
Visibility6.2 mi
Dew point33°
Fri, 0643° / 31°0
Morning33°feels 33°
Afternoon42°feels 38°
Evening41°feels 39°
Overnight37°feels 33°
43 °
Big Arm, Friday, 6 November
Overcast. High 43°, low 31°.
Pressure30.30 inHg
Wind5.4 mph SW
Humidity75%
Visibility6.2 mi
Dew point31°
Sat, 0750° / 41°0
Morning41°feels 41°
Afternoon49°feels 49°
Evening46°feels 46°
Overnight41°feels 38°
50 °
Big Arm, Saturday, 7 November
Overcast. High 50°, low 41°.
Pressure30.21 inHg
Wind1.4 mph S
Humidity54%
Visibility6.2 mi
Dew point32°
Sun, 0849° / 40°0
Morning42°feels 40°
Afternoon48°feels 43°
Evening44°feels 39°
Overnight43°feels 43°
49 °
Big Arm, Sunday, 8 November
Overcast. High 49°, low 40°.
Pressure30.06 inHg
Wind8.7 mph SW
Humidity63%
Visibility6.2 mi
Dew point36°
Mon, 0947° / 36°0
Morning38°feels 38°
Afternoon42°feels 41°
Evening42°feels 42°
Overnight40°feels 40°
47 °
Big Arm, Monday, 9 November
Overcast. High 47°, low 36°.
Pressure30.27 inHg
Wind6.7 mph SW
Humidity68%
Visibility—
Dew point32°
Tue, 1049° / 35°0
Morning39°feels 39°
Afternoon44°feels 44°
Evening41°feels 41°
Overnight37°feels 37°
49 °
Big Arm, Tuesday, 10 November
Clear. High 49°, low 35°.
Pressure30.24 inHg
Wind3.3 mph SW
Humidity61%
Visibility—
Dew point31°
Wed, 1150° / 34°0
Morning38°feels 38°
Afternoon44°feels 44°
Evening40°feels 40°
Overnight37°feels 37°
50 °
Big Arm, Wednesday, 11 November
Mostly clear. High 50°, low 34°.
Pressure30.30 inHg
Wind2.4 mph E
Humidity60%
Visibility—
Dew point30°
Thu, 1251° / 34°0
Morning37°feels 37°
Afternoon44°feels 44°
Evening40°feels 40°
Overnight38°feels 38°
51 °
Big Arm, Thursday, 12 November
Overcast. High 51°, low 34°.
Pressure30.18 inHg
Wind2.1 mph E
Humidity56%
Visibility—
Dew point29°
Fri, 1354° / 37°0
Morning40°feels 40°
Afternoon46°feels 45°
Evening44°feels 43°
Overnight41°feels 41°
54 °
Big Arm, Friday, 13 November
Overcast. High 54°, low 37°.
Pressure29.97 inHg
Wind3.5 mph NE
Humidity44%
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.