DroughtOdds

Drought in Massac County, IL: 1.9 years in 10 since 2000

1.9 years in 10

Massac County, IL: 5 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

  1. 0
  2. 14
  3. 6
  4. 0
  5. 0
  6. 0
  7. 0
  8. 14
  9. 0
  10. 0
  11. 17
  12. 0
  13. 34
  14. 2
  15. 0
  16. 0
  17. 7
  18. 0
  19. 0
  20. 3
  21. 0
  22. 0
  23. 18
  24. 6
  25. 12
  26. 7

20002025

Drought years: 2001 (14 wk), 2007 (14 wk), 2010 (17 wk), 2012 (34 wk) and 2022 (18 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2008, 2009, 2011, 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

59th most drought-prone of 102 IL counties; the IL middle is 2.3 in 10. Closest on the list: Randolph County (1.9 in 10) and Ford County (1.9 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 (22% of weeks), then Oct (19%) and Nov (16%). Least in Mar (1%). May to September averages 14%.

  1. 4 Jan
  2. 1 Feb
  3. 1 Mar
  4. 8 Apr
  5. 12 May
  6. 10 Jun
  7. 13 Jul
  8. 13 Aug
  9. 22 Sep
  10. 19 Oct
  11. 16 Nov
  12. 9 Dec

The worst year: 2012

2012: 34 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 10.7% of all weeks at D1 or worse, 4.3% at D2, 1.9% at D3, 8 weeks with some of the county in D4. Longest unbroken spell: 36 weeks, May 8, 2012 to Jan 8, 2013.

Lately

Last drought year: 2022, 18 weeks. 2016-2025: 1 in 10, against 2.5 in 10 for 2000-2015, about the same. So far in 2026: 10 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Massac County lands on the plan covered in keeping a regular lawn. Its worst year, 2012, was one of the worst nationally too; see the worst years since 2000. How each of Massac County's 1,401 weeks was judged: how drought is counted.