DroughtOdds

Drought in Mississippi County, MO: 1.9 years in 10 since 2000

1.9 years in 10

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

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

20002025

Drought years: 2001 (17 wk), 2007 (13 wk), 2010 (23 wk), 2012 (34 wk) and 2022 (22 wk). Not a single drought week in 2002, 2003, 2006, 2008, 2009, 2014, 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 Oct turns dry.

Against the rest of MO

96th most drought-prone of 115 MO counties; the MO middle is 3.1 in 10. Closest on the list: Webster County (1.9 in 10) and Osage County (1.9 in 10). Driest in MO: Jasper County (4.6 in 10). Least drought: Perry County (1.2 in 10).

When in the year it hits

Most often in Oct (23% of weeks), then Sep (20%) and Nov (19%). Least in Mar (4%). May to September averages 17%.

  1. 10 Jan
  2. 7 Feb
  3. 4 Mar
  4. 9 Apr
  5. 14 May
  6. 17 Jun
  7. 18 Jul
  8. 16 Aug
  9. 20 Sep
  10. 23 Oct
  11. 19 Nov
  12. 13 Dec

The worst year: 2012

2012: 34 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 14.1% of all weeks at D1 or worse, 6.3% 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, 22 weeks. 2016-2025: 1 in 10, against 2.5 in 10 for 2000-2015, about the same. So far in 2026: 18 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Mississippi 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 Mississippi County's 1,401 weeks was judged: how drought is counted.