As of 09:22 MDT

Heart Butte, MT weather in May

33°

Heart Butte, Wednesday, 14 October, 09:22

Overcast. Feels like 20°. High 57°, low 29°.

Pressure30.06 inHg

Wind25 mph SW

Humidity77%

Visibility6.2 mi

Dew point27°

See detailed hourly forecast

In May, Heart Butte, MT averages a high of 57.2° and a low of 37°. About 3.4 inches of precipitation fall over the month (12 wet days). The record high is 87.4° (2025) and the record low 7.3° (1966). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	52.2°	31.1°	18%	69.8° (1985)	13.5° (2009)
2	53.4°	32.5°	28%	75.7° (1985)	17.2° (1967)
3	54.5°	33.6°	22%	74.7° (2023)	17.8° (1967)
4	54.1°	34°	33%	73° (2017)	17.2° (1967)
5	54.9°	34.2°	40%	79.2° (2017)	14.5° (1967)
6	54°	35.2°	42%	78.3° (1966)	19° (1960)
7	53.1°	34.9°	45%	78.1° (1987)	9.9° (2010)
8	53.6°	35.1°	45%	77.7° (1987)	20.1° (2010)
9	53.6°	34.2°	33%	73.8° (1987)	13.3° (2002)
10	53.2°	33.8°	45%	75.6° (2025)	15.6° (2002)
11	54.3°	33.1°	30%	77.4° (1993)	8.8° (1982)
12	55.9°	34.3°	32%	75.9° (2001)	7.3° (1966)
13	57.2°	35.8°	28%	74.8° (1993)	9.7° (2004)
14	57.7°	36°	28%	72.5° (1993)	16° (2004)
15	59.2°	37.8°	28%	77° (2012)	26.4° (1971)
16	59.2°	38.1°	43%	78.8° (2006)	23.2° (1968)
17	58.5°	39°	40%	79.2° (2006)	28.8° (2002)
18	57°	38.8°	42%	79.7° (2006)	26.2° (1965)
19	57.7°	37.8°	40%	76.8° (1964)	25.5° (1974)
20	58.1°	37.9°	57%	76.6° (2023)	24.6° (2021)
21	58.5°	38.7°	38%	79.5° (1980)	24.1° (1975)
22	58.6°	37.9°	38%	79.3° (2006)	20.1° (1987)
23	59.2°	39.4°	47%	77.2° (2001)	25.7° (2002)
24	59.4°	39.2°	52%	79.7° (2001)	24.8° (2004)
25	60.3°	39.4°	40%	76.8° (2003)	22.1° (2004)
26	60.4°	41°	53%	80.4° (1966)	28.4° (1967)
27	60.8°	40.6°	37%	80.8° (1986)	26.2° (1995)
28	60.8°	40.3°	47%	81.3° (2003)	28.8° (1975)
29	61.2°	40.6°	43%	82.2° (1986)	26.1° (2012)
30	61°	41.2°	48%	83.5° (1986)	30° (1989)
31	61.7°	40.8°	45%	87.4° (2025)	22.5° (1982)