Keystone, SD 31 December Weather

Altitude - 1440m | 43°53′46″N,103°25′5″W | map (OSM)

Keystone, SD

°F

12:30 pmSunny23mphW

Fri, December 19, 20251:20 PM (GMT -07:00)

Wednesday Dec 31 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	39°	38°	37°	42°	47°	44°	38°	36°
wind	8mph	8mph	7mph	8mph	9mph	8mph	7mph	8mph
pressure in	25.14	25.14	25.13	25.16	25.17	25.14	25.09	25.07

Tuesday Dec 31 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	22°	20°	15°	22°	27°	27°	22°	19°
wind	7mph	6mph	6mph	6mph	9mph	9mph	6mph	5mph
pressure in	25.20	25.18	25.14	25.20	25.20	25.20	25.21	25.22

Sunday Dec 31 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	20°	16°	25°	36°	35°	26°	26°
wind	3mph	3mph	3mph	3mph	5mph	5mph	5mph	6mph
pressure in	25.19	25.18	25.15	25.23	25.26	25.23	25.18	25.18

* Keystone, SD weather for December 31 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 Keystone, SD Weather for December 31, 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 31 for previous years is presented.