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Missouri winter weather risk

115 counties scored 2 rated Very High

St. Louis County has the highest winter weather risk in Missouri, scoring 98.3 out of 100 — rated "Very High" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 St. Louis County 98.3 Very High 0
2 Greene County 97.2 Very High 0
3 Cape Girardeau County 91.7 Relatively High 0
4 Boone County 91.5 Relatively High 0
5 Camden County 91.4 Relatively High 0
6 Jackson County 91.2 Relatively High 0
7 St. Charles County 89 Relatively High 0
8 Jasper County 87.3 Relatively High 0
9 Platte County 87.3 Relatively High 0
10 St. Francois County 85.1 Relatively Moderate 0
11 Howell County 84.8 Relatively Moderate 0
12 Jefferson County 84.1 Relatively Moderate 0
13 Butler County 83.5 Relatively Moderate 0
14 Taney County 82.6 Relatively Moderate 0
15 Scott County 81.7 Relatively Moderate 0
16 Dunklin County 81.3 Relatively Moderate 0
17 Cass County 81.1 Relatively Moderate 0
18 Cole County 80.3 Relatively Moderate 0
19 St. Louis 79.7 Relatively Moderate 0
20 Morgan County 79.3 Relatively Moderate 0
21 Clay County 78.7 Relatively Moderate 0
22 Stoddard County 77.4 Relatively Moderate 0
23 Barry County 76.8 Relatively Moderate 0
24 Phelps County 76.8 Relatively Moderate 0
25 Laclede County 75.6 Relatively Moderate 0
26 Christian County 75.5 Relatively Moderate 0
27 Newton County 75 Relatively Moderate 0
28 Lawrence County 74.3 Relatively Moderate 0
29 Callaway County 73.9 Relatively Moderate 0
30 Buchanan County 73.6 Relatively Moderate 0
31 Pettis County 72.6 Relatively Moderate 0
32 Pulaski County 72.6 Relatively Moderate 0
33 Johnson County 72.2 Relatively Moderate 0
34 Stone County 72.2 Relatively Moderate 0
35 Polk County 71.2 Relatively Moderate 0
36 Miller County 69.3 Relatively Moderate 0
37 Pemiscot County 69.1 Relatively Moderate 0
38 Franklin County 68 Relatively Moderate 0
39 Benton County 67.8 Relatively Moderate 0
40 Webster County 67.8 Relatively Moderate 0
41 St. Clair County 66.2 Relatively Moderate 0
42 Ste. Genevieve County 65.2 Relatively Moderate 0
43 Wright County 65.2 Relatively Moderate 0
44 Audrain County 65.1 Relatively Moderate 0
45 Texas County 65.1 Relatively Moderate 0
46 Ray County 64.1 Relatively Moderate 0
47 Henry County 63.2 Relatively Moderate 0
48 New Madrid County 63 Relatively Moderate 0
49 Wayne County 63 Relatively Moderate 0
50 Perry County 60.4 Relatively Low 0
51 Madison County 59.4 Relatively Low 0
52 Vernon County 56.3 Relatively Low 0
53 Lincoln County 55.9 Relatively Low 0
54 Crawford County 55.8 Relatively Low 0
55 Dallas County 55.7 Relatively Low 0
56 Mississippi County 55.4 Relatively Low 0
57 Oregon County 53.3 Relatively Low 0
58 Ripley County 52.8 Relatively Low 0
59 Moniteau County 50.9 Relatively Low 0
60 Barton County 49.5 Relatively Low 0
61 Dent County 49 Relatively Low 0
62 Hickory County 48.9 Relatively Low 0
63 Iron County 48.9 Relatively Low 0
64 Bates County 46.8 Relatively Low 0
65 Cedar County 45.7 Relatively Low 0
66 McDonald County 45.4 Relatively Low 0
67 Bollinger County 45.1 Relatively Low 0
68 Shannon County 44.7 Relatively Low 0
69 Lafayette County 44.5 Relatively Low 0
70 Washington County 43.8 Relatively Low 0
71 Dade County 42.3 Relatively Low 0
72 Carter County 41.9 Relatively Low 0
73 Ozark County 41.9 Relatively Low 0
74 Osage County 41.1 Relatively Low 0
75 Gasconade County 40.2 Relatively Low 0
76 Nodaway County 39.9 Relatively Low 0
77 Chariton County 39.2 Relatively Low 0
78 Maries County 38.9 Relatively Low 0
79 Douglas County 37.1 Relatively Low 0
80 Warren County 36.5 Relatively Low 0
81 Carroll County 35.4 Relatively Low 0
82 Monroe County 35.1 Relatively Low 0
83 Reynolds County 34.5 Relatively Low 0
84 Cooper County 33.6 Relatively Low 0
85 Clinton County 33.4 Relatively Low 0
86 Harrison County 32.9 Relatively Low 0
87 Pike County 32.8 Relatively Low 0
88 Howard County 28.9 Relatively Low 0
89 Caldwell County 28.8 Relatively Low 0
90 Marion County 28 Relatively Low 0
91 Andrew County 27.5 Relatively Low 0
92 Grundy County 27.1 Relatively Low 0
93 Shelby County 26.5 Relatively Low 0
94 Montgomery County 26.4 Relatively Low 0
95 Daviess County 26.2 Relatively Low 0
96 Atchison County 25.5 Relatively Low 0
97 Macon County 24.8 Relatively Low 0
98 Gentry County 23.1 Very Low 0
99 Linn County 22.1 Very Low 0
100 Adair County 21 Very Low 0
101 DeKalb County 20.7 Very Low 0
102 Lewis County 20.3 Very Low 0
103 Scotland County 19.1 Very Low 0
104 Clark County 17.7 Very Low 0
105 Livingston County 17.7 Very Low 0
106 Mercer County 17.1 Very Low 0
107 Holt County 15.2 Very Low 0
108 Sullivan County 14.1 Very Low 0
109 Ralls County 13.5 Very Low 0
110 Saline County 12.7 Very Low 0
111 Randolph County 12.6 Very Low 0
112 Schuyler County 11 Very Low 0
113 Knox County 10 Very Low 0
114 Putnam County 9.7 Very Low 0
115 Worth County 8.3 Very Low 0

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.

Winter Weather risk nationally:

Top 50 US counties

Other hazard risks in Missouri:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailStrong WindIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest winter weather risk county in Missouri?

St. Louis County, MO has the highest winter weather risk in Missouri, with a FEMA National Risk Index score of 98.3 out of 100 (rated "Very High").

How many counties in Missouri are rated Very High for winter weather risk?

2 of 115 scored Missouri counties are rated "Very High" for winter weather risk by FEMA's National Risk Index.

What causes winter weather risk in Missouri?

Winter weather risk captures expected losses from heavy snow, blizzards, and mixed precipitation. Highest scores appear in the Great Lakes snowbelt, northern Rockies, and interior Northeast, where lake-effect and orographic snowfall is frequent. Winter weather impacts transportation networks, utilities, agriculture, and population health.