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As of 21:01 MST

Weather in Big Arm, MT

32°Current weather

Big Arm, Thursday, 5 November, 21:01

Partly cloudy. Feels like 28°. High 42°, low 32°.

Pressure30.27 inHg
Wind4 mph E
Humidity55%
Visibility6.2 mi
Dew point23°

Two-week outlook for Big Arm, MT: week one averages a high of 47.6° and week two 45°, so week two runs 2.6° cooler than week one. Around 0.3 inches of precipitation are expected over the 14 days, across 2 wet days. The nearest weekend, November 7: 52°, dry.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (November 5 – November 11)47.6°37.8°0.0 in / 0 d—
2nd (November 12 – November 18)45°34.6°0.3 in / 2 d—

Weekend weather

Sat, November 7
Overcast
52°42°
no precip.
Sun, November 8
Overcast
49°38°
no precip.
Sat, November 14
Light rain
45°40°
0.16 in
Sun, November 15
Snow
44°34°
0.12 in
Fri, 0643° / 35°0Overcast
43 °Overcast

Big Arm, Friday, 6 November

Overcast. High 43°, low 35°.

Pressure30.27 inHg
Wind4.8 mph SW
Humidity82%
Visibility6.2 mi
Dew point32°
Sat, 0752° / 42°0Overcast
52 °Overcast

Big Arm, Saturday, 7 November

Overcast. High 52°, low 42°.

Pressure30.21 inHg
Wind1.9 mph SW
Humidity56%
Visibility6.2 mi
Dew point36°
Sun, 0849° / 38°0Overcast
49 °Overcast

Big Arm, Sunday, 8 November

Overcast. High 49°, low 38°.

Pressure30.06 inHg
Wind13.4 mph SW
Humidity66%
Visibility6.2 mi
Dew point37°
Mon, 0944° / 37°0Light rain
44 °Light rain

Big Arm, Monday, 9 November

Light rain. High 44°, low 37°.

Pressure30.15 inHg
Wind1.8 mph S
Humidity66%
Visibility6.2 mi
Dew point32°
Tue, 1051° / 39°0.01Light rain
51 °Light rain

Big Arm, Tuesday, 10 November

Light rain. High 51°, low 39°.

Pressure30.15 inHg
Wind10.9 mph SW
Humidity81%
Visibility—
Dew point40°
Wed, 1153° / 41°0Overcast
53 °Overcast

Big Arm, Wednesday, 11 November

Overcast. High 53°, low 41°.

Pressure30.15 inHg
Wind3.7 mph SW
Humidity62%
Visibility—
Dew point36°
Thu, 1253° / 38°0Overcast
53 °Overcast

Big Arm, Thursday, 12 November

Overcast. High 53°, low 38°.

Pressure30.00 inHg
Wind3.1 mph SW
Humidity59%
Visibility—
Dew point33°
Fri, 1354° / 39°0Partly cloudy
54 °Partly cloudy

Big Arm, Friday, 13 November

Partly cloudy. High 54°, low 39°.

Pressure29.83 inHg
Wind5.4 mph SW
Humidity55%
Visibility—
Dew point33°
Sat, 1445° / 40°0.16Light rain
45 °Light rain

Big Arm, Saturday, 14 November

Light rain. High 45°, low 40°.

Pressure29.77 inHg
Wind7 mph S
Humidity86%
Visibility—
Dew point40°
Sun, 1544° / 34°0.12Snow
44 °Snow

Big Arm, Sunday, 15 November

Snow. High 44°, low 34°.

Pressure30.12 inHg
Wind7.7 mph SW
Humidity60%
Visibility—
Dew point28°
Mon, 1640° / 30°0Overcast
40 °Overcast

Big Arm, Monday, 16 November

Overcast. High 40°, low 30°.

Pressure30.03 inHg
Wind2.7 mph N
Humidity65%
Visibility—
Dew point26°
Tue, 1740° / 31°0Overcast
40 °Overcast

Big Arm, Tuesday, 17 November

Overcast. High 40°, low 31°.

Pressure29.94 inHg
Wind5.5 mph S
Humidity61%
Visibility—
Dew point24°
Wed, 1839° / 29°0Overcast
39 °Overcast

Big Arm, Wednesday, 18 November

Overcast. High 39°, low 29°.

Pressure30.06 inHg
Wind5.7 mph SW
Humidity71%
Visibility—
Dew point27°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Big Arm, MT, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.