Drought in Jasper County, IL: 1.5 years in 10 since 2000

1.5 years in 10

Jasper County, IL: 4 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

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

20002025

Drought years: 2000 (19 wk), 2012 (16 wk), 2024 (15 wk) and 2025 (16 wk). Not a single drought week in 2003, 2004, 2006, 2008, 2009, 2013, 2014, 2015, 2016, 2017, 2019 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 IL

77th most drought-prone of 102 IL counties; the IL middle is 2.3 in 10. Closest on the list: Coles County (1.5 in 10) and Hardin 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 Nov (17% of weeks), then Dec (15%) and Sep (13%). Least in Apr (3%). May to September averages 8%.

1. 10 Jan
2. 9 Feb
3. 4 Mar
4. 3 Apr
5. 5 May
6. 5 Jun
7. 9 Jul
8. 9 Aug
9. 13 Sep
10. 13 Oct
11. 17 Nov
12. 15 Dec

The worst year: 2000

2000: 19 weeks in drought, peaking at D1 moderate. Across 1,401 weekly maps: 9.4% of all weeks at D1 or worse, 1.8% at D2, 0.4% at D3, never any D4. Longest unbroken spell: 25 weeks, Sep 16, 2025 to Mar 3, 2026.

Lately

Last drought year: 2025, 16 weeks. 2016-2025: 2 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 12 of 44 weeks in drought, through Nov 3, 2026.

Further reading

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