McPherson County weather alerts
There are no active weather alerts for McPherson County, SD right now.
Since 2016 the National Weather Service has issued about 979 alerts that included McPherson County, roughly 98 a year. The most common is the severe thunderstorm warning (184 from 2016 to 2025). The last tornado warning was issued on September 14, 2025. 26 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include McPherson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Dickey County, Edmunds County, Walworth County, McIntosh County.
McPherson County alert history
Alert events that included McPherson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 184 | 42 | September 6, 2026 |
| Wind Advisory | 128 | 13 | October 24, 2026 |
| Winter Weather Advisory | 104 | 8 | April 1, 2026 |
| Dense Fog Advisory | 101 | 15 | November 7, 2026 |
| Severe Thunderstorm Watch | 94 | 8 | August 24, 2026 |
| Cold Weather Advisory | 79 | 4 | January 25, 2026 |
| Winter Storm Watch | 31 | 2 | April 3, 2026 |
| Extreme Cold Warning | 29 | 1 | January 23, 2026 |
| Red Flag Warning | 29 | 6 | May 15, 2026 |
| High Wind Warning | 23 | 3 | June 29, 2026 |
| Winter Storm Warning | 20 | 2 | April 3, 2026 |
| Fire Weather Watch | 20 | 5 | May 15, 2026 |
| Frost Advisory | 19 | 3 | May 19, 2026 |
| Heat Advisory | 19 | 4 | July 29, 2026 |
| Tornado Warning | 16 | 0 | September 14, 2025 |
| Blizzard Warning | 15 | 2 | March 15, 2026 |
| Freeze Warning | 15 | 2 | October 14, 2026 |
| High Wind Watch | 12 | 2 | March 12, 2026 |
| Flood Warning | 10 | 2 | June 1, 2026 |
| Tornado Watch | 8 | 3 | June 29, 2026 |
| Freeze Watch | 5 | 0 | October 7, 2023 |
| Flood Watch | 4 | 1 | July 8, 2026 |
| Ice Storm Warning | 3 | 0 | December 25, 2023 |
| Flash Flood Warning | 3 | 1 | June 1, 2026 |
| Extreme Cold Watch | 3 | 1 | January 23, 2026 |
| Extreme Heat Watch | 2 | 0 | June 18, 2022 |
| Extreme Heat Warning | 2 | 1 | July 26, 2026 |
| Snow Squall Warning | 1 | 0 | April 9, 2020 |
Tornado history in McPherson County
26 tornadoes have been recorded in McPherson County since 1950, injuring 1 people. That ranks 36 of 66 counties in South Dakota. The most recent was on August 5, 2025 (rated unknown).
Strongest tornadoes in McPherson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 24, 2006 | F3 | McPherson County | 14 mi | 300 yd | 0 | 1 |
| June 28, 1961 | F2 | McPherson County | 49.7 mi | 10 yd | 0 | 0 |
| May 22, 2010 | EF2 | Edmunds County | 18.6 mi | 200 yd | 0 | 0 |
| July 6, 1962 | F2 | McPherson County | 3 mi | 550 yd | 0 | 0 |
| July 4, 2020 | EF2 | McPherson County | 2.7 mi | 150 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 5, 2025 | ? | McPherson County | 0 mi | 5 yd | 0 | 0 |
| July 4, 2020 | EF2 | McPherson County | 2.7 mi | 150 yd | 0 | 0 |
| July 25, 2015 | EF0 | McPherson County | 0.2 mi | 20 yd | 0 | 0 |
| July 25, 2015 | EF0 | McPherson County | 0.1 mi | 10 yd | 0 | 0 |
| September 30, 2014 | EF0 | McPherson County | 0.3 mi | 10 yd | 0 | 0 |
About McPherson County
- Population: 2,307 (2024 estimate)
- State: South Dakota
- NOAA Weather Radio SAME code: 046089 (how to use it)