Plains, MT Weather

Plains, MT climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is August with an average maximum temperature of 84.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 16.10 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 39 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.

The annual average precipitation at Plains is 19.99 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is December with an average rainfall of 2.27 Inches.

Weather Data

Current Conditions

(Updated: 4:53 PM MDT SUN MAR 21 2010)

Snow, 30°F	Humidity: 96%	Dewpoint: 29°F
	Wind Speed: VRB 4.6 MPH (4 KT)	Heat Index: 30°F
	Barometer: 29.89 in.	Wind Chill: 25°F

Weather Forecast

(Generated: 2:27 PM MDT SUN MAR 21 2010)

		Tonight: Rain and snow showers likely. Snow level 4500 feet. Snow accumulations of 2 to 4 inches. Lows in the upper 20s to mid 30s.
	Lo: 30°F
	Hi: 46°F	Monday: Chance of valley rain showers with mountain snow showers likely. Snow level 3500 feet. Snow accumulations of 1 to 3 inches. Highs in the mid 40s to lower 50s. West winds to 15 mph.
	Lo: 25°F
	Hi: 55°F	Tuesday: Mostly cloudy. Highs in the 50s.
	Lo: 26°F
	Hi: 60°F	Wednesday: Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the mid 20s to lower 30s.
	Lo: 26°F
	Hi: 55°F	Thursday: Mostly cloudy with a 50 percent chance of rain and snow showers. Highs in the 50s. Lows in the mid 20s to lower 30s.
	Lo: 26°F
	Hi: 55°F	Friday: Mostly cloudy with a 50 percent chance of rain and snow showers. Highs in the 50s. Lows in the mid 20s to lower 30s.
	Lo: 26°F
	Hi: 55°F	Friday: Mostly cloudy with a 50 percent chance of rain and snow showers. Highs in the 50s. Lows in the mid 20s to lower 30s.
	Lo: 26°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 7:09 AM MDT	Sunrise: 7:39 AM MDT
		Sunset: 7:53 PM MDT	Civil Twilight: 8:24 PM MDT

Normal Climate

Normal Temperatures

(SAINT REGIS 1 NE Weather station, 14.45 miles from Plains)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	31.2	38.1	48.0	58.0	67.2	75.3	83.7	84.1	73.1	58.0	39.8	31.5	57.3
Mean °F	23.7	28.8	36.7	44.6	51.9	59.3	64.8	64.6	55.3	44.0	31.8	24.6	44.2
Min °F	16.1	19.5	25.3	31.1	36.6	43.2	45.8	45.0	37.5	30.0	23.8	17.7	31.0

Normal Precipitation