Drought in Hardin County, IL: 1.5 years in 10 since 2000
1.5 years in 10
Hardin County, IL: 4 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.
- 0
- 14
- 9
- 0
- 0
- 0
- 0
- 14
- 0
- 0
- 17
- 0
- 28
- 0
- 0
- 0
- 5
- 0
- 0
- 3
- 0
- 0
- 11
- 6
- 7
- 4
20002025
Drought years: 2001 (14 wk), 2007 (14 wk), 2010 (17 wk) and 2012 (28 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2008, 2009, 2011, 2013, 2014, 2015, 2017, 2018, 2020 and 2021.
A regular lawn is fine here; plan for the odd dry year
Real droughts are rare here. A smart controller that skips watering after rain covers the odd dry year.
You can keep a regular lawn. Worth doing: a rain-sensing or smart controller, and deeper, less frequent watering if Sep turns dry.
Against the rest of IL
78th most drought-prone of 102 IL counties; the IL middle is 2.3 in 10. Closest on the list: Jasper County (1.5 in 10) and Clinton County (1.5 in 10). Driest in IL: Hancock County (3.8 in 10). Least drought: Edwards County (0.4 in 10).
When in the year it hits
Most often in Sep (20% of weeks), then Oct (16%) and Nov (13%). Least in Mar (1%). May to September averages 13%.
- 2 Jan
- 1 Feb
- 1 Mar
- 4 Apr
- 10 May
- 10 Jun
- 11 Jul
- 13 Aug
- 20 Sep
- 16 Oct
- 13 Nov
- 7 Dec
The worst year: 2012
2012: 28 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 9% of all weeks at D1 or worse, 3.4% at D2, 0.8% at D3, 8 weeks with some of the county in D4. Longest unbroken spell: 26 weeks, May 15, 2012 to Nov 6, 2012.
Lately
Last drought year: 2012, 28 weeks. 2016-2025: 0 in 10, against 2.5 in 10 for 2000-2015, wetter lately. So far in 2026: 8 of 44 weeks in drought, through Nov 3, 2026.
Further reading
Hardin County lands on the plan covered in keeping a regular lawn. Its last ten years ran wetter than the ten before; what that does and does not mean. How each of Hardin County's 1,401 weeks was judged: how drought is counted.