As of 16:54 MDT

Flat Willow Colony, MT weather in May

40°

Flat Willow Colony, Monday, 12 October, 16:54

Overcast. Feels like 37°. High 40°, low 28°.

Pressure30.06 inHg

Wind4.2 mph N

Humidity87%

Visibility6.2 mi

Dew point36°

See detailed hourly forecast

In May, Flat Willow Colony, MT averages a high of 64.7° and a low of 43.4°. About 2.9 inches of precipitation fall over the month (11 wet days). The record high is 90.7° (1980) and the record low 6.6° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	58.5°	36.9°	18%	81.5° (1981)	18.3° (1995)
2	61.2°	37.9°	32%	83.3° (1985)	19.9° (1967)
3	62.4°	39.2°	28%	81.9° (1986)	11.5° (1967)
4	63°	40.6°	32%	82.2° (1966)	6.6° (1967)
5	63.3°	40.5°	40%	83.3° (2016)	10.2° (1967)
6	63.1°	42.1°	35%	86° (1966)	29.1° (1972)
7	61.2°	41°	37%	85.5° (1992)	29.7° (2002)
8	60.6°	40.5°	47%	85.6° (1987)	25.9° (2010)
9	60.8°	40.8°	42%	82.6° (1987)	14.2° (2002)
10	59.9°	39.9°	38%	85.1° (2025)	26.4° (1979)
11	60.1°	39°	42%	83.3° (1960)	19.9° (2002)
12	62.2°	41°	37%	88.9° (1960)	23.7° (1966)
13	64.2°	41.9°	35%	88.7° (2001)	15.8° (1967)
14	64.9°	41.9°	25%	83.7° (1984)	22.6° (1967)
15	66.9°	43.5°	33%	86.5° (1987)	31.1° (1974)
16	66.7°	44.4°	35%	84.2° (1988)	30.6° (1986)
17	66.6°	45.5°	40%	83.8° (2007)	32° (1974)
18	66.2°	45.1°	38%	86° (2006)	33.1° (1965)
19	65.5°	44.4°	40%	89.1° (1992)	29.5° (2019)
20	67.1°	44.6°	37%	88.9° (1964)	31.5° (2019)
21	66.4°	45.1°	37%	89.2° (1980)	31.1° (2021)
22	66.7°	45.9°	35%	90.7° (1980)	30.6° (2022)
23	66.7°	45.7°	40%	83.7° (1980)	30.9° (2002)
24	66.7°	46.2°	33%	85.8° (1985)	34° (2002)
25	66.7°	45.9°	48%	84.4° (1969)	31.1° (2004)
26	67.8°	47.1°	37%	89.6° (1969)	34.2° (2012)
27	68.2°	47.8°	37%	89.1° (1969)	36.7° (1991)
28	69.1°	47.5°	33%	90.1° (2014)	35.6° (1982)
29	68°	47.1°	43%	90.1° (1988)	32.7° (2012)
30	67.3°	47.3°	48%	89.2° (1984)	32.5° (1982)
31	68.4°	47.7°	33%	88.2° (1972)	28.4° (1982)