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As of 22:30 MST

Weather in Summit Valley, MT

36°Current weather

Summit Valley, Friday, 13 November, 22:30

Overcast. Feels like 36°. High 58°, low 33°.

Pressure29.56 inHg
Wind0.9 mph S
Humidity60%
Visibility6.2 mi
Dew point24°

10-day forecast for Summit Valley, MT: 9° to 58°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

58°
Best day: Friday, November 13
38° · 0.78 in
Worst day: Tuesday, November 17

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

Sat, 1452° / 30°0Partly cloudy
MorningPartly cloudy32°feels 32°
AfternoonOvercast52°feels 50°
EveningOvercast36°feels 36°
OvernightOvercast35°feels 35°
52 °Partly cloudy

Summit Valley, Saturday, 14 November

Partly cloudy. High 52°, low 30°.

Pressure29.68 inHg
Wind6.4 mph NW
Humidity56%
Visibility6.2 mi
Dew point35°
Sun, 1546° / 26°0Overcast
MorningPartly cloudy27°feels 27°
AfternoonOvercast46°feels 44°
EveningMostly clear38°feels 38°
OvernightPartly cloudy29°feels 29°
46 °Overcast

Summit Valley, Sunday, 15 November

Overcast. High 46°, low 26°.

Pressure30.03 inHg
Wind5.3 mph N
Humidity60%
Visibility6.2 mi
Dew point27°
Mon, 1650° / 36°0.01Light rain
MorningOvercast38°feels 38°
AfternoonOvercast50°feels 49°
EveningOvercast43°feels 43°
OvernightOvercast36°feels 36°
50 °Light rain

Summit Valley, Monday, 16 November

Light rain. High 50°, low 36°.

Pressure29.88 inHg
Wind4.3 mph N
Humidity50%
Visibility6.2 mi
Dew point27°
Tue, 1738° / 31°0.78Snow
MorningSnow34°feels 34°
AfternoonLight snow35°feels 35°
EveningLight snow33°feels 28°
OvernightRain38°feels 36°
38 °Snow

Summit Valley, Tuesday, 17 November

Snow. High 38°, low 31°.

Pressure29.88 inHg
Wind1.1 mph W
Humidity98%
Visibility1.8 mi
Dew point34°
Wed, 1835° / 24°0Mostly clear
MorningMostly clear27°feels 27°
AfternoonMostly clear32°feels 32°
EveningMostly clear30°feels 30°
OvernightMostly clear28°feels 28°
35 °Mostly clear

Summit Valley, Wednesday, 18 November

Mostly clear. High 35°, low 24°.

Pressure30.12 inHg
Wind6.2 mph W
Humidity93%
Visibility—
Dew point30°
Thu, 1931° / 23°0.16Light snow
MorningLight snow28°feels 28°
AfternoonLight snow30°feels 30°
EveningLight snow26°feels 26°
OvernightLight snow24°feels 24°
31 °Light snow

Summit Valley, Thursday, 19 November

Light snow. High 31°, low 23°.

Pressure30.15 inHg
Wind4 mph NE
Humidity90%
Visibility—
Dew point28°
Fri, 2026° / 12°0.22Snow
MorningSnow23°feels 22°
AfternoonSnow25°feels 20°
EveningSnow21°feels 16°
OvernightSnow14°feels 7°
26 °Snow

Summit Valley, Friday, 20 November

Snow. High 26°, low 12°.

Pressure30.18 inHg
Wind4.9 mph SW
Humidity93%
Visibility—
Dew point23°
Sat, 2127° / 9°0Partly cloudy
MorningPartly cloudy13°feels 7°
AfternoonPartly cloudy21°feels 20°
EveningPartly cloudy16°feels 10°
OvernightPartly cloudy11°feels 4°
27 °Partly cloudy

Summit Valley, Saturday, 21 November

Partly cloudy. High 27°, low 9°.

Pressure30.62 inHg
Wind4.8 mph SW
Humidity80%
Visibility—
Dew point15°
Sun, 2228° / 11°0Overcast
MorningOvercast16°feels 16°
AfternoonOvercast23°feels 22°
EveningOvercast19°feels 14°
OvernightOvercast17°feels 11°
28 °Overcast

Summit Valley, Sunday, 22 November

Overcast. High 28°, low 11°.

Pressure30.56 inHg
Wind4.1 mph SW
Humidity74%
Visibility—
Dew point15°

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 Summit Valley, 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.