Great Falls, MT 15 December Weather

Altitude - 1013m | 47°30′0″N,111°18′4″W | map (OSM)

Great Falls, MT

°F

3 amClear13mphSW

Sun, December 7, 20253:42 AM (GMT -07:00)

Climatic norm in Great Falls, MT Dec 15

14°
24°
34°

minimum
average
maximum

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	30°	29°	31°	35°	37°	36°	38°
wind	11mph	9mph	8mph	9mph	12mph	14mph	14mph	15mph
pressure in	26.48	26.48	26.48	26.48	26.48	26.46	26.46	26.47

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	35°	32°	33°	36°	40°	40°	32°	29°
wind	7mph	6mph	8mph	13mph	21mph	20mph	16mph	14mph
pressure in	26.26	26.27	26.34	26.44	26.48	26.52	26.54	26.58

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	28°	26°	26°	30°	42°	42°	36°	36°
wind	6mph	6mph	7mph	8mph	12mph	9mph	12mph	13mph
pressure in	26.73	26.75	26.78	26.82	26.84	26.78	26.73	26.69

Thursday Dec 15 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	18°	14°	9°	12°	19°	22°	21°	19°
wind	9mph	8mph	10mph	9mph	7mph	8mph	9mph	10mph
pressure in	26.78	26.77	26.75	26.79	26.80	26.79	26.81	26.82

Wednesday Dec 15 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	22°	20°	19°	14°	21°	24°	17°	17°
wind	6mph	6mph	7mph	5mph	6mph	8mph	9mph	9mph
pressure in	26.21	26.22	26.25	26.29	26.35	26.35	26.33	26.33

Tuesday Dec 15 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	26°	28°	31°	36°	37°	35°	37°
wind	12mph	15mph	17mph	20mph	25mph	23mph	22mph	24mph
pressure in	26.57	26.56	26.54	26.50	26.45	26.38	26.34	26.36

Sunday Dec 15 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	22°	21°	21°	24°	29°	28°	23°	20°
wind	9mph	9mph	10mph	11mph	11mph	8mph	7mph	11mph
pressure in	26.33	26.32	26.34	26.39	26.44	26.43	26.44	26.47

Saturday Dec 15 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	43°	40°	37°	41°	43°	37°	32°
wind	23mph	24mph	25mph	24mph	29mph	25mph	16mph	9mph
pressure in	26.28	26.32	26.39	26.43	26.51	26.57	26.58	26.57

* Great Falls, MT weather for December 15 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Great Falls, MT Weather for December 15, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 15 for previous years is presented.