Lightning strikes in Wisconsin by county
The detection network has located 66,359 lightning strikes in Wisconsin since the archive began, including 59,830 in the last 7 days. The table counts every strike the network placed inside a county boundary. Another 9,314 strikes fell inside Wisconsin but outside every county polygon, mostly over coastal or lake water.
| # | County | Strikes | Last 7 days | Share |
|---|---|---|---|---|
| 1 | Dane County | 4,080 | 4,080 | 6.1% |
| 2 | Walworth County | 4,016 | 4,010 | 6.1% |
| 3 | Rock County | 3,942 | 3,898 | 5.9% |
| 4 | Waukesha County | 3,699 | 3,699 | 5.6% |
| 5 | Jefferson County | 3,586 | 3,586 | 5.4% |
| 6 | Dodge County | 2,585 | 2,585 | 3.9% |
| 7 | Racine County | 2,567 | 2,524 | 3.9% |
| 8 | Juneau County | 2,408 | 2,397 | 3.6% |
| 9 | Marathon County | 2,120 | 2,102 | 3.2% |
| 10 | Monroe County | 1,850 | 1,848 | 2.8% |
| 11 | Columbia County | 1,683 | 1,683 | 2.5% |
| 12 | Kenosha County | 1,572 | 1,556 | 2.4% |
| 13 | Wood County | 1,517 | 1,506 | 2.3% |
| 14 | Adams County | 1,472 | 1,450 | 2.2% |
| 15 | Milwaukee County | 1,351 | 1,350 | 2.0% |
| 16 | Shawano County | 1,144 | 1,140 | 1.7% |
| 17 | Jackson County | 1,090 | 1,082 | 1.6% |
| 18 | Clark County | 1,043 | 899 | 1.6% |
| 19 | Marquette County | 992 | 991 | 1.5% |
| 20 | Trempealeau County | 915 | 697 | 1.4% |
| 21 | Sauk County | 914 | 909 | 1.4% |
| 22 | Buffalo County | 872 | 278 | 1.3% |
| 23 | Washington County | 826 | 826 | 1.2% |
| 24 | Chippewa County | 725 | 252 | 1.1% |
| 25 | Green County | 657 | 656 | 1.0% |
| 26 | Taylor County | 632 | 261 | 1.0% |
| 27 | Dunn County | 575 | 200 | 0.9% |
| 28 | Portage County | 512 | 502 | 0.8% |
| 29 | Rusk County | 473 | 105 | 0.7% |
| 30 | Oconto County | 438 | 383 | 0.7% |
| 31 | Price County | 420 | 0 | 0.6% |
| 32 | Grant County | 396 | 251 | 0.6% |
| 33 | Eau Claire County | 390 | 190 | 0.6% |
| 34 | Ozaukee County | 390 | 388 | 0.6% |
| 35 | Iowa County | 374 | 343 | 0.6% |
| 36 | Pierce County | 354 | 73 | 0.5% |
| 37 | Oneida County | 318 | 0 | 0.5% |
| 38 | St. Croix County | 301 | 132 | 0.5% |
| 39 | Pepin County | 287 | 99 | 0.4% |
| 40 | Vernon County | 263 | 262 | 0.4% |
| 41 | Marinette County | 259 | 69 | 0.4% |
| 42 | Lafayette County | 257 | 232 | 0.4% |
| 43 | Green Lake County | 248 | 248 | 0.4% |
| 44 | Barron County | 233 | 113 | 0.4% |
| 45 | Vilas County | 190 | 7 | 0.3% |
| 46 | Waushara County | 174 | 174 | 0.3% |
| 47 | Menominee County | 159 | 148 | 0.2% |
| 48 | Crawford County | 154 | 133 | 0.2% |
| 49 | Door County | 153 | 153 | 0.2% |
| 50 | Forest County | 145 | 0 | 0.2% |
| 51 | Fond du Lac County | 143 | 143 | 0.2% |
| 52 | La Crosse County | 128 | 128 | 0.2% |
| 53 | Outagamie County | 119 | 119 | 0.2% |
| 54 | Polk County | 113 | 74 | 0.2% |
| 55 | Waupaca County | 93 | 93 | 0.1% |
| 56 | Manitowoc County | 81 | 41 | 0.1% |
| 57 | Florence County | 75 | 0 | 0.1% |
| 58 | Lincoln County | 73 | 4 | 0.1% |
| 59 | Brown County | 71 | 71 | 0.1% |
| 60 | Sheboygan County | 59 | 59 | 0.1% |
| 61 | Richland County | 57 | 38 | 0.1% |
| 62 | Iron County | 54 | 0 | 0.1% |
| 63 | Kewaunee County | 53 | 53 | 0.1% |
| 64 | Calumet County | 48 | 46 | 0.1% |
| 65 | Ashland County | 47 | 0 | 0.1% |
| 66 | Langlade County | 34 | 4 | 0.1% |
| 67 | Bayfield County | 34 | 0 | 0.1% |
| 68 | Winnebago County | 28 | 28 | 0.0% |
| 69 | Douglas County | 8 | 0 | 0.0% |
| 70 | Sawyer County | 6 | 0 | 0.0% |
Strike positions carry the network's mean location error of about 5.6 km, so strikes near a county line can be filed one county over. Method and caveats are on the data hub; the full state table is on the United States page.
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