As of 18:45 MDT

Weather in Summit Valley, MT

35°Current weather

Summit Valley, Friday, 23 October, 18:45

Snow. Feels like 32°. High 49°, low 35°.

Pressure30.21 inHg
Wind3.7 mph SW
Humidity95%
Visibility2.0 mi
Dew point34°

10-day forecast for Summit Valley, MT: 25° to 53°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

53°
Best day: Friday, October 30
49° · 1.33 in
Worst day: Friday, October 23

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

Sat, 2444° / 26°0Clear
MorningPartly cloudy26°feels 26°
AfternoonClear41°feels 41°
EveningMostly clear35°feels 35°
OvernightOvercast37°feels 37°
44 °Clear

Summit Valley, Saturday, 24 October

Clear. High 44°, low 26°.

Pressure30.42 inHg
Wind1.8 mph NE
Humidity94%
Visibility1.1 mi
Dew point26°
Sun, 2540° / 25°0Partly cloudy
MorningClear25°feels 25°
AfternoonMostly clear39°feels 39°
EveningClear30°feels 26°
OvernightClear30°feels 30°
40 °Partly cloudy

Summit Valley, Sunday, 25 October

Partly cloudy. High 40°, low 25°.

Pressure30.36 inHg
Wind3 mph E
Humidity80%
Visibility6.2 mi
Dew point25°
Mon, 2644° / 27°0Overcast
MorningOvercast27°feels 27°
AfternoonOvercast42°feels 42°
EveningClear35°feels 35°
OvernightClear28°feels 28°
44 °Overcast

Summit Valley, Monday, 26 October

Overcast. High 44°, low 27°.

Pressure30.15 inHg
Wind0.8 mph NE
Humidity74%
Visibility6.2 mi
Dew point27°
Tue, 2747° / 32°0.3Rain
MorningLight rain35°feels 30°
AfternoonPartly cloudy46°feels 40°
EveningRain40°feels 37°
OvernightRain34°feels 31°
47 °Rain

Summit Valley, Tuesday, 27 October

Rain. High 47°, low 32°.

Pressure30.09 inHg
Wind8.4 mph W
Humidity63%
Visibility0.9 mi
Dew point29°
Wed, 2848° / 32°0Overcast
MorningOvercast36°feels 36°
AfternoonOvercast42°feels 42°
EveningOvercast44°feels 44°
OvernightOvercast41°feels 41°
48 °Overcast

Summit Valley, Wednesday, 28 October

Overcast. High 48°, low 32°.

Pressure29.97 inHg
Wind3.4 mph N
Humidity63%
Visibility—
Dew point29°
Thu, 2949° / 36°0Partly cloudy
MorningPartly cloudy39°feels 38°
AfternoonPartly cloudy43°feels 42°
EveningPartly cloudy40°feels 40°
OvernightPartly cloudy38°feels 34°
49 °Partly cloudy

Summit Valley, Thursday, 29 October

Partly cloudy. High 49°, low 36°.

Pressure29.94 inHg
Wind5.7 mph SW
Humidity59%
Visibility—
Dew point29°
Fri, 3053° / 34°0Clear
MorningClear38°feels 36°
AfternoonClear47°feels 46°
EveningClear44°feels 41°
OvernightClear40°feels 37°
53 °Clear

Summit Valley, Friday, 30 October

Clear. High 53°, low 34°.

Pressure29.83 inHg
Wind5.6 mph S
Humidity54%
Visibility—
Dew point30°
Sat, 3152° / 35°0Overcast
MorningOvercast38°feels 38°
AfternoonOvercast45°feels 45°
EveningOvercast43°feels 43°
OvernightOvercast40°feels 40°
52 °Overcast

Summit Valley, Saturday, 31 October

Overcast. High 52°, low 35°.

Pressure29.91 inHg
Wind3.9 mph SW
Humidity55%
Visibility—
Dew point29°
Sun, 0149° / 36°0Overcast
MorningOvercast39°feels 39°
AfternoonOvercast45°feels 45°
EveningOvercast42°feels 42°
OvernightOvercast36°feels 33°
49 °Overcast

Summit Valley, Sunday, 1 November

Overcast. High 49°, low 36°.

Pressure29.97 inHg
Wind4.7 mph W
Humidity65%
Visibility—
Dew point33°

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.