Severe T-Storm Warnings Active in Nebraska & SD — July 1, 2026 — SevereWX

An Enhanced risk covers parts of the central U.S. on this Day 1 outlook, with Slight risk coverage across Minnesota where organized storms could bring damaging winds, large hail, and an isolated tornado risk later today. Overnight into early July 1, discrete storms are firing along boundaries in the central Plains, prompting multiple severe thunderstorm warnings for very large hail and damaging winds. Activity remains isolated but intense in Nebraska, with additional warnings in Iowa and New York.

Timeline

8:14 PM EDT — Severe threat outlined for northeast Colorado

The Storm Prediction Center issues a mesoscale discussion for parts of northeastern Colorado, southeastern Wyoming, and southwestern Nebraska. Storms here have severe potential, with a 60% chance a watch could be needed soon. Damaging winds and large hail are the main concerns through the next couple of hours.

9:00 PM EDT — Limited severe risk in western Michigan

SPC highlights portions of western Michigan in a mesoscale discussion, where severe potential exists but a watch is unlikely with only 20% probability. Scattered storms may produce gusty winds, but organization remains low for now.

9:10 PM EDT — Severe Thunderstorm Watch issued for Nebraska

A Severe Thunderstorm Watch takes effect for Arthur, Blaine, Boyd, Brown, Chase, Cherry, Custer, Deuel, Frontier, Garden counties in Nebraska and adjacent areas until 3:00 AM EDT. Storms in this region could produce severe hail and damaging winds.

9:11 PM EDT — Severe Thunderstorm Watch issued for northeast Colorado

A Severe Thunderstorm Watch is in place for Logan, Phillips, Sedgwick counties in Colorado until 3:00 AM EDT. Expect potential for severe thunderstorms with large hail and strong wind gusts.

9:33 PM EDT — Severe thunderstorm activity in north-central Kansas

Mesoscale discussion covers parts of northwestern into north central Kansas and adjacent southern Nebraska, where a Severe Thunderstorm Watch 425 is referenced. Storms are ongoing with potential for severe impacts right now.

10:12 PM EDT — Low severe odds in northern New York

SPC notes portions of northern New York in a discussion, with severe potential but watch unlikely at 20% probability. Isolated storms may bring gusty winds through the next hour or so.

11:30 PM EDT — Severe Thunderstorm Warning for northern New York

A Severe Thunderstorm Warning is active for Jefferson and Lewis counties in New York until 12:30 AM EDT. Radar shows strong storms capable of large hail and damaging winds.

11:48 PM EDT — Severe Thunderstorm Watch 426 for Nebraska

Mesoscale discussion addresses parts of west central through north central Nebraska, where Severe Thunderstorm Watch 426 is now in effect. Current storms pose a severe hail and wind threat.

11:52 PM EDT — Severe Thunderstorm Warning for western Nebraska

A Severe Thunderstorm Warning covers Arthur, Garden, Grant, and Keith counties in Nebraska until 12:15 AM EDT. These storms are producing severe weather, likely large hail and wind gusts.

11:53 PM EDT — Severe Thunderstorm Warning for Nebraska Panhandle

Severe Thunderstorm Warning active for Arthur and Keith counties in Nebraska until 12:15 AM EDT. Strong storms are moving through with potential for damaging effects.

11:53 PM EDT — Severe Thunderstorm Warning for western Iowa

A Severe Thunderstorm Warning is in effect for Mills and Montgomery counties in Iowa until 12:15 AM EDT. Expect severe hail or winds from these thunderstorms.

11:54 PM EDT — Severe Thunderstorm Warning for Keith County, Nebraska

Severe Thunderstorm Warning active for Keith County, Nebraska until 12:30 AM EDT. Radar indicates a dangerous storm with severe potential underway.

12:03 AM EDT — Severe Thunderstorm Warning issued for New York

Powerful storms capable of producing large hail and damaging winds are affecting Jefferson and Lewis counties in New York. The warning remains in effect until 12:30 AM EDT. Seek shelter indoors if you're in the warned area.

12:07 AM EDT — Severe Thunderstorm Warning issued for Nebraska

Severe thunderstorms bringing large hail and strong wind gusts are impacting Arthur, Grant, Hooker and McPherson counties in Nebraska. This warning is valid until 1:00 AM EDT. Stay alert and monitor local updates.

12:23 AM EDT — Tornado Warning for Hooker and McPherson Counties, NE

A tornado warning is now in effect for Hooker and McPherson counties in Nebraska until 1:00 AM EDT. It could be extended or cancelled by the NWS. People in the area should seek shelter in the lowest level of a sturdy building, away from windows.

12:31 AM EDT — Severe Thunderstorm Warning northwest Nebraska

A severe thunderstorm warning is in effect for Arthur, Grant, Hooker and McPherson counties until 1:00 AM EDT. These storms may bring damaging winds and large hail. Stay alert and have a plan.

12:32 AM EDT — Tornado Warning issued for Hooker, McPherson counties

A tornado warning is in effect until 1:00 AM EDT for Hooker and McPherson counties — could be extended or cancelled by NWS. Radar indicates a possible tornado. Seek shelter now in an interior room.

12:40 AM EDT — Tornado Warning issued for Hooker, Thomas counties

A tornado warning is in effect until 1:15 AM EDT for Hooker and Thomas counties — could be extended or cancelled by NWS. Radar shows rotation that could produce a tornado. Take cover immediately.

12:46 AM EDT — Severe Thunderstorm Warning northwest Nebraska

The National Weather Service issued a severe thunderstorm warning for Cherry, Hooker, Logan, McPherson and Thomas counties until 1:30 AM EDT. These storms may produce damaging winds and large hail. Take shelter if severe weather approaches.

12:49 AM EDT — Tornado Warning for Hooker and Thomas Counties

A tornado warning is now in effect until 1:15 AM EDT for Hooker and Thomas counties in Nebraska — it could be extended or cancelled by the NWS. A tornado could be on the ground or nearby. Seek shelter right away in a sturdy building.

12:57 AM EDT — Severe Thunderstorm Warning Logan, McPherson and Thomas Counties

Another severe thunderstorm warning is active until 1:45 AM EDT for Logan, McPherson and Thomas counties. Damaging winds and large hail are the main threats. Stay alert and monitor radar.

1:03 AM EDT — Severe Thunderstorm Watch for Knox County, NE

A severe thunderstorm watch is now active for Knox County in Nebraska until 7:00 AM EDT. Storms here could produce large hail and damaging winds. Stay prepared and monitor updates.

1:03 AM EDT — Severe Thunderstorm Watch for SW MN, SE SD

A severe thunderstorm watch covers southwest Minnesota counties including Lincoln, Lyon, Murray, Pipestone and Rock, plus southeast South Dakota counties like Aurora, Beadle, Bon Homme, Brookings and Brule until 7:00 AM EDT. Severe storms with hail and strong winds are possible. Keep an eye on the weather.

1:10 AM EDT — Severe Thunderstorm Watch across central/northern NE

A severe thunderstorm watch is in effect for Arthur, Blaine, Boyd, Brown, Chase, Cherry, Custer, Frontier, Garfield, Grant and additional counties in Nebraska until 3:00 AM EDT. Expect potential for large hail and damaging winds from storms. Remain weather-aware.

1:14 AM EDT — Tornado Warning for Cherry, Thomas Counties, NE

A tornado warning is active for Cherry and Thomas counties in Nebraska until 1:30 AM EDT — it could be extended or cancelled by the NWS. Radar indicates possible tornado rotation. Seek shelter right away if in the area.

1:16 AM EDT — Severe Thunderstorm Warning for Logan, McPherson, Thomas Counties

Strong thunderstorms packing large hail and damaging winds are barreling through Logan, McPherson and Thomas counties in Nebraska. Residents should seek shelter if storms approach. This warning runs until 1:45 AM EDT and may be extended or canceled.

1:21 AM EDT — Severe Thunderstorm Warning for Blaine, Brown, Cherry, Thomas Counties

Powerful storms capable of large hail and strong wind gusts have prompted a warning for Blaine, Brown, Cherry and Thomas counties. Take cover away from windows if thunder roars nearby. It expires at 2:15 AM EDT but could change.

1:28 AM EDT — Severe Thunderstorm Warning for Blaine, Custer, Loup Counties

A batch of intense thunderstorms bringing risks of hail and high winds is affecting Blaine, Custer and Loup counties. Move indoors immediately if caught outside. The warning is in place until 2:15 AM EDT and subject to updates.

1:37 AM EDT — Tornado Warning for Cherry County, NE

A tornado warning is now in effect until 2:15 AM EDT for Cherry County in Nebraska. Seek shelter right away in a sturdy building or basement. This warning could be extended or cancelled by the NWS.

1:50 AM EDT — Severe Thunderstorm Warning for Blaine, Brown, Cherry, Thomas Counties

A severe thunderstorm warning is in effect until 2:15 AM EDT for Blaine, Brown, Cherry and Thomas counties in Nebraska. This storm may produce damaging winds and large hail. It could be extended or cancelled by the NWS.

1:51 AM EDT — Severe Thunderstorm Warning for Blaine, Custer, Loup Counties

Another severe thunderstorm warning is now active until 2:15 AM EDT covering Blaine, Custer and Loup counties in Nebraska. Expect potential for strong winds and very large hail. Monitor updates from the NWS as the storm moves.

2:06 AM EDT — Severe Thunderstorm Warning issued for north-central Nebraska

A severe thunderstorm warning is now in effect until 3:00 AM EDT for Brown, Keya Paha and Rock counties. These storms may produce large hail and damaging wind gusts. Move indoors right away if you're in the warned area.

2:08 AM EDT — Severe Thunderstorm Watch issued for northern and western Nebraska

A severe thunderstorm watch covers Arthur, Blaine, Boyd, Brown, Chase, Cherry, Custer, Frontier, Garfield, Grant and H counties until 5:00 AM EDT. Severe storms with large hail, strong winds or an isolated tornado are possible. Prepare now and monitor updates closely.

2:28 AM EDT — SPC Issues Mesoscale Discussion 1411

Storm Prediction Center issued Mesoscale Discussion 1411 for north-central Nebraska into southeast South Dakota. It addresses Severe Thunderstorm Watches 426 and 427. Storms in these areas remain capable of producing damaging winds and large hail.

2:31 AM EDT — Severe T-Storm Warning: Brown, Keya Paha, Rock NE

Severe thunderstorm warning active until 3:00 AM EDT for Brown, Keya Paha and Rock counties in Nebraska. These storms can pack large hail and strong wind gusts. Take shelter if one nears your location.

2:41 AM EDT — Severe T-Storm Warning: Boyd, Holt NE

Severe thunderstorm warning now in effect until 4:00 AM EDT for Boyd and Holt counties in Nebraska. Expect potential for large hail and damaging winds from these powerful storms. Stay indoors and monitor radar.

2:44 AM EDT — Severe T-Storm Warning: Tripp SD

Severe thunderstorm warning issued until 3:15 AM EDT for Tripp County in South Dakota. The storm poses risks of large hail and destructive wind gusts. Seek safe shelter right away.

2:52 AM EDT — Severe T-Storm Warning for south-central SD

A severe thunderstorm warning is in effect until 3:30 AM EDT for Charles Mix, Douglas, and Gregory counties in South Dakota. Strong winds and large hail are possible. Stay indoors and away from windows.

2:54 AM EDT — Severe T-Storm Warning for northern NE

A severe thunderstorm warning is now active until 4:00 AM EDT across Boyd and Holt counties in Nebraska. Damaging wind gusts and hail threaten the area. Seek shelter immediately if you're in the path.

What's Next

Severe thunderstorms will persist through the early morning in Nebraska and South Dakota under Enhanced risk. Additional warnings are likely as storms track eastward. Stay tuned to local NWS updates and radar for the latest.

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