Sioux County, Nebraska: tornado and severe weather warnings
Nothing is in effect for Sioux County as of 4:55 PM MDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on Sioux County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Sioux County. Tap your own street on it for times that apply to you.
The last 12 months in Sioux County
- 3 tornado warnings
- 44 severe thunderstorm warnings
- 3 flash flood warnings
- 1 tornado watches
- 16 severe thunderstorm watches
The most recent tornado warning that included Sioux County was issued Jun 22, 2026 by the Weather Service office in Cheyenne, WY.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 18, 2026 | 9:12 PM MDT | Flash flood warning | CYS | text |
| Sep 18, 2026 | 8:22 PM MDT | Severe thunderstorm warning | CYS | text |
| Sep 18, 2026 | 7:56 PM MDT | Severe thunderstorm warning | CYS | text |
| Sep 18, 2026 | 7:42 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 29, 2026 | 4:01 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 29, 2026 | 3:53 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 29, 2026 | 3:48 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 26, 2026 | 4:43 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 26, 2026 | 4:36 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 25, 2026 | 8:39 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 25, 2026 | 8:01 PM MDT | Severe thunderstorm warning | CYS | text |
| Aug 25, 2026 | 7:52 PM MDT | Severe thunderstorm warning | CYS | text |
A warning counts here if the Weather Service listed Sioux County in it, even if the warned area covered only part of the county.
Nearby
- Dawes County, NE
- Box Butte County, NE
- Goshen County, WY
- Scotts Bluff County, NE
- Fall River County, SD
- Niobrara County, WY
- Morrill County, NE
- Banner County, NE
- All of Nebraska
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.