Koster, IL 15 January Weather

Altitude - 194m | 41°5′31″N,87°41′6″W | map (OSM)

Koster, IL

°F

9:30 amCloudy14mphNW

Sun, January 11, 202610:06 AM (GMT -06:00)

Thursday Jan 15 2026	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	19°	17°	19°	22°	24°	22°	21°
wind	17mph	14mph	11mph	10mph	11mph	9mph	7mph	8mph
pressure in	29.27	29.28	29.29	29.31	29.27	29.23	29.22	29.19

Wednesday Jan 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	1°	1°	-2°	4°	13°	15°	14°	16°
wind	5mph	4mph	3mph	6mph	11mph	12mph	10mph	13mph
pressure in	29.79	29.78	29.79	29.78	29.70	29.60	29.53	29.41

Monday Jan 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	-8°	-7°	-8°	-4°	0°	2°	2°	2°
wind	11mph	10mph	9mph	9mph	10mph	10mph	9mph	11mph
pressure in	29.58	29.58	29.58	29.60	29.55	29.52	29.52	29.50

* Koster, IL weather for January 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 Koster, IL Weather for January 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 January 15 for previous years is presented.