Louisiana drought risk

64 counties scored 0 rated Very High

Caddo Parish has the highest drought risk in Louisiana, scoring 98.2 out of 100 — rated "Relatively High" by FEMA's National Risk Index.

#	County	NRI score	Rating
1	Caddo Parish	98.2	Relatively High
2	Vermilion Parish	97.5	Relatively High
3	Avoyelles Parish	97.2	Relatively High
4	St. Landry Parish	97	Relatively High
5	Assumption Parish	96.5	Relatively High
6	Acadia Parish	94.9	Relatively High
7	Jefferson Davis Parish	93.3	Relatively High
8	St. Martin Parish	92.7	Relatively High
9	Iberia Parish	91.6	Relatively High
10	Rapides Parish	91.3	Relatively High
11	Pointe Coupee Parish	91.2	Relatively High
12	Washington Parish	91.2	Relatively High
13	St. Mary Parish	91.1	Relatively High
14	St. James Parish	90.9	Relatively High
15	East Carroll Parish	89.5	Relatively Moderate
16	Madison Parish	88.9	Relatively Moderate
17	Tensas Parish	88.6	Relatively Moderate
18	Evangeline Parish	88.1	Relatively Moderate
19	West Carroll Parish	87.8	Relatively Moderate
20	Catahoula Parish	87.7	Relatively Moderate
21	Lafayette Parish	86.7	Relatively Moderate
22	Lafourche Parish	86.4	Relatively Moderate
23	Franklin Parish	86.1	Relatively Moderate
24	Concordia Parish	86	Relatively Moderate
25	St. Helena Parish	85.9	Relatively Moderate
26	Calcasieu Parish	85.8	Relatively Moderate
27	Iberville Parish	85.3	Relatively Moderate
28	Tangipahoa Parish	84.3	Relatively Moderate
29	Terrebonne Parish	83.7	Relatively Moderate
30	Plaquemines Parish	82.6	Relatively Moderate
31	Ascension Parish	81.3	Relatively Moderate
32	St. John the Baptist Parish	81.1	Relatively Moderate
33	St. Tammany Parish	80.2	Relatively Moderate
34	Allen Parish	79.3	Relatively Moderate
35	West Baton Rouge Parish	77.6	Relatively Moderate
36	East Feliciana Parish	75	Relatively Moderate
37	Richland Parish	74.7	Relatively Moderate
38	Beauregard Parish	73.1	Relatively Moderate
39	Morehouse Parish	72.7	Relatively Moderate
40	Livingston Parish	67.8	Relatively Moderate
41	East Baton Rouge Parish	64.7	Relatively Moderate
42	Bossier Parish	63	Relatively Low
43	Cameron Parish	61.5	Relatively Low
44	West Feliciana Parish	60.4	Relatively Low
45	Natchitoches Parish	59.6	Relatively Low
46	Orleans Parish	56.9	Relatively Low
47	Red River Parish	54.8	Relatively Low
48	Caldwell Parish	54.4	Relatively Low
49	Sabine Parish	54	Relatively Low
50	St. Charles Parish	53	Relatively Low
51	De Soto Parish	51.9	Relatively Low
52	Jefferson Parish	50	Relatively Low
53	Claiborne Parish	47.2	Relatively Low
54	Ouachita Parish	46.2	Relatively Low
55	Webster Parish	45.3	Relatively Low
56	Lincoln Parish	45	Relatively Low
57	Grant Parish	44.3	Relatively Low
58	Bienville Parish	43.6	Relatively Low
59	Winn Parish	42.3	Relatively Low
60	Union Parish	42	Relatively Low
61	St. Bernard Parish	35.1	Relatively Low
62	LaSalle Parish	32.6	Relatively Low
63	Jackson Parish	0	No Rating
64	Vernon Parish	0	No Rating

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Drought risk nationally:

Top 50 US counties

Other hazard risks in Louisiana:

Wildfire Inland Flooding Coastal Flooding Earthquake Heat Wave Tornado Hurricane Hail Strong Wind Winter Weather Ice Storm Cold Wave Lightning Landslide Avalanche Tsunami Volcanic Activity

Frequently asked questions

What is the highest drought risk county in Louisiana?

Caddo Parish, LA has the highest drought risk in Louisiana, with a FEMA National Risk Index score of 98.2 out of 100 (rated "Relatively High").

What causes drought risk in Louisiana?

Drought risk captures expected annual losses from prolonged precipitation deficits affecting agriculture, water supply, and ecosystems. High scores cover the western Great Plains, Southwest, and California's Central Valley. Climate change is increasing drought frequency and severity across much of the US, with multi-year droughts becoming more common in the West.