10-day forecast for Plains, MT: 26° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Thursday, October 22
47° · 0.54 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2267° / 41°0
Morning41°feels 41°
Afternoon66°feels 64°
Evening51°feels 49°
Overnight44°feels 44°
67 °
Plains, Thursday, 22 October
Overcast. High 67°, low 41°.
Pressure29.85 inHg
Wind2.1 mph E
Humidity49%
Visibility6.2 mi
Dew point38°
Fri, 2347° / 40°0.54
Morning45°feels 44°
Afternoon47°feels 47°
Evening43°feels 43°
Overnight46°feels 46°
47 °
Plains, Friday, 23 October
Rain. High 47°, low 40°.
Pressure29.91 inHg
Wind3.9 mph W
Humidity97%
Visibility3.4 mi
Dew point46°
Sat, 2450° / 34°0
Morning34°feels 34°
Afternoon49°feels 49°
Evening41°feels 41°
Overnight39°feels 39°
50 °
Plains, Saturday, 24 October
Partly cloudy. High 50°, low 34°.
Pressure30.30 inHg
Wind1.8 mph SE
Humidity65%
Visibility6.2 mi
Dew point33°
Sun, 2552° / 32°0
Morning33°feels 33°
Afternoon47°feels 47°
Evening46°feels 46°
Overnight35°feels 35°
52 °
Plains, Sunday, 25 October
Overcast. High 52°, low 32°.
Pressure30.24 inHg
Wind3.5 mph E
Humidity59%
Visibility—
Dew point31°
Mon, 2646° / 26°0
Morning30°feels 30°
Afternoon40°feels 40°
Evening42°feels 42°
Overnight34°feels 34°
46 °
Plains, Monday, 26 October
Mostly clear. High 46°, low 26°.
Pressure30.36 inHg
Wind3 mph E
Humidity72%
Visibility—
Dew point30°
Tue, 2752° / 36°0.08
Morning44°feels 43°
Afternoon50°feels 48°
Evening48°feels 48°
Overnight46°feels 46°
52 °
Plains, Tuesday, 27 October
Light rain. High 52°, low 36°.
Pressure30.03 inHg
Wind2.3 mph NW
Humidity67%
Visibility—
Dew point39°
Wed, 2856° / 43°0.09
Morning48°feels 47°
Afternoon51°feels 50°
Evening50°feels 48°
Overnight44°feels 44°
56 °
Plains, Wednesday, 28 October
Light rain. High 56°, low 43°.
Pressure30.24 inHg
Wind3 mph NW
Humidity78%
Visibility—
Dew point44°
Thu, 2959° / 37°0
Morning41°feels 41°
Afternoon52°feels 49°
Evening50°feels 48°
Overnight42°feels 42°
59 °
Plains, Thursday, 29 October
Clear. High 59°, low 37°.
Pressure30.06 inHg
Wind3.4 mph E
Humidity60%
Visibility—
Dew point36°
Fri, 3059° / 37°0
Morning42°feels 41°
Afternoon54°feels 51°
Evening49°feels 46°
Overnight42°feels 39°
59 °
Plains, Friday, 30 October
Partly cloudy. High 59°, low 37°.
Pressure29.65 inHg
Wind10.8 mph SW
Humidity48%
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 Plains, 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.