Drought in Warren County, KY: 0.8 years in 10 since 2000

0.8 years in 10

Warren County, KY: 2 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

1. 10
2. 6
3. 1
4. 0
5. 0
6. 8
7. 4
8. 21
9. 17
10. 0
11. 5
12. 1
13. 10
14. 0
15. 3
16. 5
17. 8
18. 0
19. 0
20. 1
21. 0
22. 0
23. 10
24. 4
25. 5
26. 7

20002025

Drought years: 2007 (21 wk) and 2008 (17 wk). Not a single drought week in 2003, 2004, 2009, 2013, 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 Nov turns dry.

Against the rest of KY

105th most drought-prone of 120 KY counties; the KY middle is 1.2 in 10. Closest on the list: Nelson County (0.8 in 10) and Barren County (0.8 in 10). Driest in KY: Calloway County (2.3 in 10). Least drought: Grant County (0.4 in 10).

When in the year it hits

Most often in Nov (21% of weeks), then Sep (18%) and Oct (15%). Least in Mar (1%). May to September averages 11%.

1. 9 Jan
2. 5 Feb
3. 1 Mar
4. 3 Apr
5. 8 May
6. 8 Jun
7. 12 Jul
8. 10 Aug
9. 18 Sep
10. 15 Oct
11. 21 Nov
12. 12 Dec

The worst year: 2007

2007: 21 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 10.1% of all weeks at D1 or worse, 4.2% at D2, 0.8% at D3, never any D4. Longest unbroken spell: 21 weeks, Jun 5, 2007 to Oct 23, 2007.

Lately

Last drought year: 2008, 17 weeks. 2016-2025: 0 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 16 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Warren County lands on the plan covered in keeping a regular lawn. Its worst year, 2007, was one of the worst nationally too; see the worst years since 2000. How each of Warren County's 1,401 weeks was judged: how drought is counted.