10-day forecast for West Valley, MT: 44° to 84°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Tuesday, August 11
65° · 0.33 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 46°0
Morning52°feels 48°
Afternoon80°feels 78°
Evening72°feels 70°
Overnight54°feels 50°
82 °
West Valley, Monday, 10 August
Clear. High 82°, low 46°.
Pressure29.85 inHg
Wind9.4 mph W
Humidity14%
Visibility6.2 mi
Dew point25°
Tue, 1184° / 44°0
Morning63°feels 60°
Afternoon84°feels 81°
Evening74°feels 72°
Overnight52°feels 48°
84 °
West Valley, Tuesday, 11 August
Clear. High 84°, low 44°.
Pressure29.91 inHg
Wind4.5 mph W
Humidity14%
Visibility6.2 mi
Dew point25°
Wed, 1282° / 55°0.02
Morning63°feels 61°
Afternoon84°feels 81°
Evening63°feels 61°
Overnight60°feels 57°
82 °
West Valley, Wednesday, 12 August
Light rain. High 82°, low 55°.
Pressure29.83 inHg
Wind2.9 mph SE
Humidity15%
Visibility6.2 mi
Dew point28°
Thu, 1376° / 49°0.09
Morning53°feels 52°
Afternoon71°feels 70°
Evening66°feels 65°
Overnight54°feels 53°
76 °
West Valley, Thursday, 13 August
Light rain. High 76°, low 49°.
Pressure29.83 inHg
Wind6 mph E
Humidity43%
Visibility6.2 mi
Dew point46°
Fri, 1465° / 51°0.33
Morning55°feels 55°
Afternoon63°feels 62°
Evening61°feels 60°
Overnight53°feels 53°
65 °
West Valley, Friday, 14 August
Light rain. High 65°, low 51°.
Pressure29.97 inHg
Wind9.4 mph S
Humidity67%
Visibility—
Dew point51°
Sat, 1574° / 49°0.04
Morning56°feels 55°
Afternoon71°feels 70°
Evening66°feels 65°
Overnight55°feels 54°
74 °
West Valley, Saturday, 15 August
Light rain. High 74°, low 49°.
Pressure30.00 inHg
Wind5.8 mph SW
Humidity33%
Visibility—
Dew point39°
Sun, 1674° / 51°0.17
Morning57°feels 56°
Afternoon70°feels 69°
Evening56°feels 56°
Overnight52°feels 51°
74 °
West Valley, Sunday, 16 August
Rain. High 74°, low 51°.
Pressure29.91 inHg
Wind18.8 mph W
Humidity32%
Visibility—
Dew point39°
Mon, 1774° / 49°0
Morning55°feels 53°
Afternoon70°feels 68°
Evening69°feels 67°
Overnight56°feels 54°
74 °
West Valley, Monday, 17 August
Overcast. High 74°, low 49°.
Pressure29.97 inHg
Wind12.2 mph W
Humidity28%
Visibility—
Dew point32°
Tue, 1880° / 52°0
Morning59°feels 56°
Afternoon76°feels 74°
Evening76°feels 76°
Overnight58°feels 56°
80 °
West Valley, Tuesday, 18 August
Partly cloudy. High 80°, low 52°.
Pressure29.97 inHg
Wind11.5 mph W
Humidity24%
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 West 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.