10-day forecast for Mammoth, MT: 18° to 55°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
55°
Best day: Friday, November 13
26° · 0.34 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1252° / 35°0
Morning38°feels 38°
Afternoon52°feels 49°
Evening38°feels 38°
Overnight36°feels 33°
52 °
Mammoth, Thursday, 12 November
Overcast. High 52°, low 35°.
Pressure30.00 inHg
Wind1.8 mph W
Humidity40%
Visibility6.2 mi
Dew point28°
Fri, 1355° / 34°0
Morning39°feels 39°
Afternoon55°feels 52°
Evening40°feels 40°
Overnight34°feels 34°
55 °
Mammoth, Friday, 13 November
Overcast. High 55°, low 34°.
Pressure29.65 inHg
Wind2.1 mph SW
Humidity42%
Visibility6.2 mi
Dew point27°
Sat, 1451° / 37°0.01
Morning37°feels 37°
Afternoon51°feels 48°
Evening39°feels 39°
Overnight38°feels 38°
51 °
Mammoth, Saturday, 14 November
Light rain. High 51°, low 37°.
Pressure29.68 inHg
Wind6 mph W
Humidity50%
Visibility6.2 mi
Dew point32°
Sun, 1549° / 34°0
Morning34°feels 30°
Afternoon49°feels 47°
Evening40°feels 38°
Overnight36°feels 36°
49 °
Mammoth, Sunday, 15 November
Clear. High 49°, low 34°.
Pressure29.94 inHg
Wind4.2 mph SW
Humidity56%
Visibility6.2 mi
Dew point27°
Mon, 1644° / 33°0.14
Morning36°feels 35°
Afternoon43°feels 43°
Evening39°feels 39°
Overnight37°feels 34°
44 °
Mammoth, Monday, 16 November
Light rain. High 44°, low 33°.
Pressure29.91 inHg
Wind3.6 mph S
Humidity61%
Visibility—
Dew point30°
Tue, 1738° / 32°0.05
Morning34°feels 30°
Afternoon35°feels 32°
Evening34°feels 34°
Overnight32°feels 32°
38 °
Mammoth, Tuesday, 17 November
Snow. High 38°, low 32°.
Pressure29.97 inHg
Wind4.9 mph W
Humidity86%
Visibility—
Dew point31°
Wed, 1832° / 30°0.14
Morning31°feels 31°
Afternoon31°feels 31°
Evening31°feels 31°
Overnight30°feels 30°
32 °
Mammoth, Wednesday, 18 November
Snow. High 32°, low 30°.
Pressure29.88 inHg
Wind2.6 mph NE
Humidity94%
Visibility—
Dew point29°
Thu, 1929° / 26°0.31
Morning28°feels 28°
Afternoon28°feels 25°
Evening27°feels 23°
Overnight26°feels 21°
29 °
Mammoth, Thursday, 19 November
Snow. High 29°, low 26°.
Pressure29.91 inHg
Wind5 mph NE
Humidity98%
Visibility—
Dew point28°
Fri, 2026° / 18°0.34
Morning23°feels 16°
Afternoon25°feels 17°
Evening23°feels 16°
Overnight19°feels 13°
26 °
Mammoth, Friday, 20 November
Snow. High 26°, low 18°.
Pressure30.18 inHg
Wind6.5 mph NE
Humidity93%
Visibility—
Dew point23°
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 Mammoth, 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.