Lightning Map — South Dakota

Track real-time lightning strikes and thunderstorm activity across South Dakota. With an average of 44 thunderstorm days per year, South Dakota is a moderately active state for thunderstorms.

44
Avg Storm Days/Year
2
Cities Tracked
0.9M
Population

Data sourced from NOAA GOES-19 Geostationary Lightning Mapper (GLM) and the Storm Prediction Center (SPC).

About Lightning in South Dakota

South Dakota averages 44 thunderstorm days per year, placing it above the national average of 25 days. Located at approximately 44°N latitude, South Dakota is spanning the northern Great Plains from the Black Hills to the Missouri River, where summer cold fronts meet warm Gulf air to produce intense short-season thunderstorms.

In South Dakota, the dry line from the west clashes with warm Gulf moisture, creating conditions for severe supercell thunderstorms. Peak thunderstorm activity occurs during June through August, when conditions align for the most frequent lightning strikes. With a population of 0.9 million residents, storm awareness and lightning safety are critical concerns for anyone living in or visiting South Dakota.

#16
out of 50 states
44
storm days/year
19 more than the US average

When Thunderstorms Peak in South Dakota

Thunderstorm season in South Dakota runs from June through August. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. While the season is more compressed than in southern states, individual storms can be intense with frequent cloud-to-ground lightning.

Peak Season
June through August

Top Cities in South Dakota

Monitor lightning activity in these South Dakota cities

Sioux Falls

SD
44 storm days/yr

Rapid City

SD
42 storm days/yr

Lightning Safety in South Dakota

Stay safe during the 44 thunderstorm days South Dakota averages each year

Follow the 30-30 Rule

If the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter. Stay indoors for 30 minutes after the last thunderclap.

Stay Indoors During Storms

With 44 thunderstorm days annually in South Dakota, having a plan for when storms strike is essential. Avoid windows and stay away from plumbing.

Monitor Lightning Activity

Use Lightning Tracker to get real-time alerts when storms approach your area in South Dakota. Early awareness helps you make safer decisions.

Outdoor Safety

If caught outside, avoid open fields, hilltops, and isolated trees. Seek shelter in a substantial building or hard-topped vehicle.

Useful Guides for South Dakota

These pages help visitors who search for maps, nearby strikes, and alert setup

Near me How to check lightning near you in South Dakota

Use this guide when you want to know how fast nearby strikes can become a real safety problem in South Dakota.

 Map guide How to read a lightning map for South Dakota

Understand clusters, timing, and storm movement before using launch alerts in the app.

 Alerts Best ways to get lightning alerts in South Dakota

Compare app alerts, NOAA weather radio, and local warning workflows for storms in your area.
App links later

Track Lightning in South Dakota Right Now

The app links can be added after release. For now, use the South Dakota hub, city pages, and lightning guides to cover map and safety intent.

Launching Soon iOS & Android

App links go live at release. For now use the lightning maps and guides on this site.