Severe Thunderstorm Warnings Active in MT, ND & Northeast — July 15, 2026 — SevereWX

Severe Weather Live Updates: Enhanced Risk in Northeast, Activity in Montana

An Enhanced risk covers Vermont this evening, with Slight risk areas across Maine, New Hampshire, and Montana according to the SPC Day 1 outlook. Severe thunderstorms are currently producing warnings in parts of central and eastern Montana along with St. Lawrence County in New York, where damaging wind gusts and large hail remain the main threats. Multiple severe thunderstorm watches extend through the early morning hours across broader portions of Montana and the Northeast, keeping the potential for additional severe weather alive overnight.

Timeline

7:45 PM EDT — Severe Thunderstorm Watch for eastern Montana

A severe thunderstorm watch remains in effect until 3:00 AM EDT covering Garfield, McCone, Petroleum, Phillips, Prairie, and Valley counties in Montana. Storms moving through the region could bring damaging winds and large hail. Residents should stay alert as conditions evolve.

8:24 PM EDT — Severe Thunderstorm Watch issued for northeast New York, northwest Vermont

A severe thunderstorm watch is active until 4:00 AM EDT for Clinton, Essex, Franklin, and St. Lawrence counties in New York, along with Addison, Caledonia, Chittenden, Essex, and Franklin counties in Vermont. Severe storms capable of strong winds and hail are possible in these areas overnight. Prepare now for potential impacts.

8:42 PM EDT — SPC Mesoscale Discussion for central Montana

The Storm Prediction Center has issued a Mesoscale Discussion for portions of central Montana, concerning Severe Thunderstorm Watch 488. This update highlights ongoing storm development with severe potential through 1:45 AM EDT. Winds and hail threats continue to be monitored closely.

10:09 PM EDT — Severe Thunderstorm Watch for western Maine, northern New Hampshire

A severe thunderstorm watch is in effect until 4:00 AM EDT for Franklin and Oxford counties in Maine, plus Belknap, Carroll, Coos, and Grafton counties in New Hampshire. Thunderstorms here may produce damaging winds and large hail into the predawn hours. Stay weather-aware.

10:09 PM EDT — Severe Thunderstorm Watch for southern Maine, southeast New Hampshire

Another severe thunderstorm watch extends until 4:00 AM EDT covering Cumberland and York counties in Maine and Strafford County in New Hampshire. Severe weather risks include gusty winds and hail from any developing storms. Monitor updates closely.

10:11 PM EDT — SPC Mesoscale Discussion for northern New York, Vermont, New Hampshire

SPC has released a Mesoscale Discussion for portions of northern New York into Vermont and New Hampshire, tied to Severe Thunderstorm Watch 489. This notes potential for severe thunderstorms through about 3:45 AM EDT. Damaging wind remains the primary concern.

10:20 PM EDT — SPC Mesoscale Discussion for central to eastern Montana

A new Mesoscale Discussion targets portions of central into eastern Montana under Severe Thunderstorm Watch 488. Storms continue to pose risks for severe weather through around 3:15 AM EDT. Hail and wind gusts are possible.

11:20 PM EDT — Severe Thunderstorm Watch for central Montana

A severe thunderstorm watch is now active until 3:00 AM EDT for Blaine, Cascade, Chouteau, Fergus, Judith Basin, and Meagher counties in Montana. Expect possible damaging winds and large hail from thunderstorms in this zone. Remain vigilant overnight.

11:44 PM EDT — Severe Thunderstorm Watch for southeast Montana

Severe Thunderstorm Watch coverage until 3:00 AM EDT includes Golden Valley, Musselshell, Rosebud, and Wheatland counties in Montana. Storms may intensify, bringing hail and destructive winds. Check radar frequently.

11:44 PM EDT — Severe Thunderstorm Watch for Treasure County, Montana

A severe thunderstorm watch also covers Treasure County, Montana, until 3:00 AM EDT. Severe gusts and hail threaten any storms that develop or move through. Take precautions.

11:55 PM EDT — Severe Thunderstorm Warning for St. Lawrence County, NY

A severe thunderstorm warning is in effect until 12:30 AM EDT for St. Lawrence County in New York. Strong winds and large hail are expected with this storm. Seek shelter if in the path.

11:56 PM EDT — Severe Thunderstorm Warning for Garfield, Petroleum counties, MT

Severe thunderstorm warning active until 1:00 AM EDT covers Garfield and Petroleum counties in Montana. The storm could produce damaging winds and hail. Move indoors immediately.

11:57 PM EDT — Severe Thunderstorm Warning for Yellowstone County, MT

A severe thunderstorm warning targets Yellowstone County, Montana, until 12:30 AM EDT. Expect wind gusts and large hail. Stay safe.

11:58 PM EDT — Severe Thunderstorm Warning for Musselshell, Rosebud, Yellowstone counties, MT

Severe thunderstorm warning issued until 12:30 AM EDT for Musselshell, Rosebud, and Yellowstone counties in Montana. Damaging winds and hail are likely. Heed all safety instructions.

12:14 AM EDT — Severe Thunderstorm Warning for St. Lawrence, NY

A severe thunderstorm warning is now in effect for St. Lawrence County in New York until 12:30 AM EDT. The storm may produce damaging wind gusts and large hail. People in the warned area should move indoors right away and stay away from windows.

12:16 AM EDT — Severe Thunderstorm Watch issued for eastern Montana

A Severe Thunderstorm Watch is now in effect until 3:00 AM EDT for Musselshell, Rosebud, and Treasure counties in Montana. Strong storms bringing damaging winds and large hail are expected. Stay alert and have a safety plan ready.

12:23 AM EDT — SPC Mesoscale Discussion 1620 for east-central Montana

The Storm Prediction Center issued Mesoscale Discussion 1620 concerning Severe Thunderstorm Watch 488 in east-central Montana. Storms in the watch area could produce severe winds and hail into early morning. Monitor radar for development.

12:26 AM EDT — Severe Thunderstorm Warning for eastern Montana counties

A Severe Thunderstorm Warning is in effect until 1:30 AM EDT for Big Horn, Musselshell, Rosebud, Treasure, and Yellowstone counties in Montana. Dangerous storms with damaging winds and large hail are impacting the region. Seek shelter immediately if storms approach.

12:28 AM EDT — Severe Thunderstorm Warning issued for northern New York

A Severe Thunderstorm Warning is active until 1:15 AM EDT for Franklin and St. Lawrence counties in New York. Storms capable of producing damaging winds and large hail are moving through. Take cover away from windows.

12:29 AM EDT — Severe Thunderstorm Warning for central Montana

A Severe Thunderstorm Warning continues until 1:00 AM EDT for Garfield and Petroleum counties in Montana. Strong storms with potential for damaging winds and hail are in the area. Prepare for severe weather.

12:42 AM EDT — Severe Thunderstorm Warning for northeast New York

A severe thunderstorm warning is in effect for Clinton, Essex, Franklin and St. Lawrence counties until 1:45 AM EDT. Damaging winds and large hail are possible with this storm. Residents in the warned area should seek shelter.

12:44 AM EDT — Severe Thunderstorm Warning for eastern Montana

A severe thunderstorm warning now covers Big Horn, Musselshell, Rosebud, Treasure and Yellowstone counties until 1:30 AM EDT. Expect strong winds capable of damage and large hail. Stay indoors and away from windows.

12:44 AM EDT — SPC Mesoscale Discussion 1621 for northern NY, VT, NH

The Storm Prediction Center issued Mesoscale Discussion 1621 for portions of northern New York into Vermont and New Hampshire. This discussion concerns Severe Thunderstorm Watch 489. Strong storms capable of damaging winds and large hail are possible in the area.

12:46 AM EDT — Severe Thunderstorm Warning until 1:15 AM for Franklin & St. Lawrence, NY

A Severe Thunderstorm Warning is now active until 1:15 AM EDT for Franklin and St. Lawrence counties in New York. These storms may produce damaging wind gusts and large hail. Take cover if storms approach your location.

12:50 AM EDT — Severe Thunderstorm Warning until 1:30 AM for Burke, Divide & Williams, ND

A Severe Thunderstorm Warning remains in effect until 1:30 AM EDT across Burke, Divide and Williams counties in North Dakota. Expect potential for strong wind gusts and hail with these storms. Monitor radar and local alerts.

12:57 AM EDT — Severe Thunderstorm Warning until 2:00 AM for Garfield County, MT

The National Weather Service has issued a Severe Thunderstorm Warning until 2:00 AM EDT for Garfield County in Montana. Storms could bring damaging winds and large hail. Stay weather-aware overnight.

1:00 AM EDT — Severe Thunderstorm Watch issued for ME, NH counties

A severe thunderstorm watch is now in effect for Cumberland, Franklin, Oxford, York counties in Maine and several New Hampshire counties until 4:00 AM EDT. Storms may produce damaging winds and large hail. Stay alert and monitor weather updates.

1:00 AM EDT — Severe Thunderstorm Watch issued for eastern NY, southern VT

Counties under the watch include Hamilton, Warren, Washington in New York plus Bennington and Windham in Vermont until 7:00 AM EDT. Be ready for possible severe storms bringing strong winds and hail. Have a plan in place.

1:00 AM EDT — Severe Thunderstorm Watch issued for NH counties

Cheshire, Hillsborough, Merrimack and Sullivan counties in New Hampshire are under a severe thunderstorm watch until 7:00 AM EDT. Conditions favor development of storms with potential for damaging winds and hail. Prepare accordingly.

1:01 AM EDT — Severe Thunderstorm Warning for Hamilton, Warren NY

A severe thunderstorm warning is active for Hamilton and Warren counties in New York until 2:00 AM EDT. Expect possible damaging winds and large hail from ongoing storms. Seek indoor shelter if in the area.

1:02 AM EDT — Severe Thunderstorm Warning issued for northwest ND

Burke, Divide and Williams counties in North Dakota are under a severe thunderstorm warning until 1:30 AM EDT. Storms could bring damaging winds and hail. Take cover immediately.

1:02 AM EDT — Severe Thunderstorm Warning for Franklin, St. Lawrence NY

Severe thunderstorm warning now active for Franklin and St. Lawrence counties in New York until 1:30 AM EDT. These storms may produce strong winds and large hail. Move indoors away from windows.

1:03 AM EDT — Severe Thunderstorm Watch for NE NY, N VT

A watch covers Clinton, Essex, Franklin, St. Lawrence NY plus Addison, Caledonia, Chittenden, Essex, Franklin VT until 4:00 AM EDT. Severe storms with winds and hail are possible. Monitor closely.

1:03 AM EDT — Severe Thunderstorm Watch issued for central, S VT

Rutland and Windsor counties in Vermont are under a severe thunderstorm watch until 7:00 AM EDT. Be prepared for storms capable of damaging winds and large hail. Review safety measures.

1:08 AM EDT — Severe Thunderstorm Warning for Essex, Franklin, St. Lawrence NY

Warning active for Essex, Franklin and St. Lawrence counties NY until 2:15 AM EDT. Damaging winds and large hail are the main threats. Shelter in a sturdy building.

1:09 AM EDT — Severe Thunderstorm Warning for Clinton, Essex, Franklin, St. Lawrence NY

A severe thunderstorm warning covers Clinton, Essex, Franklin and St. Lawrence counties in New York until 1:45 AM EDT. Storms packing damaging winds and hail are impacting the region. Seek shelter now.

1:20 AM EDT — Severe Warning for Hamilton, Warren NY

A severe thunderstorm warning is in effect for Hamilton and Warren in New York until 2:00 AM EDT. These storms could bring damaging winds and large hail. Seek shelter indoors away from windows.

1:27 AM EDT — Severe Warning for Clinton, Essex, Franklin, St. Lawrence NY

Another severe thunderstorm warning now covers Clinton, Essex, Franklin and St. Lawrence counties in New York until 1:45 AM EDT. Expect strong winds capable of downing trees and power lines. Stay alert and monitor updates.

1:30 AM EDT — Severe Thunderstorm Warning: Garfield Co., MT

A severe thunderstorm warning is in effect for Garfield County, Montana, until 2:00 AM EDT. These storms may bring damaging winds and large hail. Seek shelter if you're in the warned area.

1:31 AM EDT — Severe Thunderstorm Warning: Big Horn, Treasure & Yellowstone Cos., MT

Severe thunderstorm warning now active for Big Horn, Treasure and Yellowstone counties in Montana until 2:30 AM EDT. Expect possible large hail and strong wind gusts. Move indoors away from windows right away.

1:38 AM EDT — Severe Thunderstorm Watch until 4 AM: York Co. ME; Belknap, Carroll, Grafton & Strafford Cos. NH

A severe thunderstorm watch is active for York County in Maine and Belknap, Carroll, Grafton and Strafford counties in New Hampshire until 4:00 AM EDT. Conditions favor storms with damaging winds and hail. Stay tuned to local weather updates.

1:38 AM EDT — Severe Thunderstorm Watch until 7 AM: Cheshire, Hillsborough, Merrimack & Sullivan Cos. NH

Severe thunderstorm watch issued for Cheshire, Hillsborough, Merrimack and Sullivan counties in New Hampshire until 7:00 AM EDT. Severe storms capable of producing large hail and damaging winds are possible. Prepare now and monitor radar.

1:40 AM EDT — Severe Thunderstorm Watch until 4 AM: Clinton, Essex, Franklin & St. Lawrence Cos. NY; Addison, Chittenden, Orange & Washington Cos. VT

A severe thunderstorm watch covers Clinton, Essex, Franklin and St. Lawrence counties in New York plus Addison, Chittenden, Orange and Washington counties in Vermont until 4:00 AM EDT. Watch for strong storms with hail and high winds. Have a safety plan ready.

1:40 AM EDT — Severe Thunderstorm Watch until 7 AM: Rutland & Windsor Cos. VT

Severe thunderstorm watch in effect for Rutland and Windsor counties in Vermont until 7:00 AM EDT. Storms bringing damaging winds and large hail could develop. Keep an eye on the sky and local alerts.

What's Next

Overnight storms may intensify in the Northeast under extended watches until morning. Isolated severe activity lingers in Montana while previous warnings continue in ND. Enhanced risk level holds; check NWS for potential upgrades or new warnings.

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