| August 2003 | Hail | Glasgow | 1 hurt | A hailstone hit a women on the hand and injured her finger. |
| June 2007 | Hail | Glasgow | $8,000,000 | Hail up to three inches in size accompanied by winds around 70 mph caused significant damage throughout the city of Glasgow and outlying areas to the west, south and east. See entire episode narrative for full details. |
| July 1999 | Hail | Glasgow | $1,500,000 | no account filed |
| August 2014 | Flood | Glasgow | $1,120,000 | Heavy rainfall in the basin with amounts ranging from 4 to 10 inches over a four day period caused significant flooding in all the streams in the basin, and eventually the rivers. Willow Creek, Antelope Creek, Cherry Creek, Larb Creek, Brazil Creek all flooded during this time frame, blocking off many gravel roads around the county. Valley County had at least 36 locations with damages and DES reported to FEMA the totals were $1.2 million. Willow Creek Road from Fort Peck to the Pines had a very large area completely wiped out with a large culvert gone. |
| August 1993 | Thunderstorm Wind | Glasgow | $500,000 | There was lots of wind damage across Valley County. Several homes and trailers were damaged. A flash flood near Hinsdale washed out Highway 2 and the railroad. |
| May 1994 | Hail | Glasgow | $500,000 | no account filed |
| August 1997 | Thunderstorm Wind | Glasgow | $100,000 | Thunderstorm winds downed power lines, peeled a roof off of a local lumber yard, twisted road signs and blew down large trees. Some residents north of Glasgow were without power for two days. |
| June 2007 | Flash Flood | Glasgow | $50,000 | Two to seven inches of rain fell in the Antelope, Brazil and Willow Creek Basins and caused the worst flood on record on the Antelope Creek. A portion of Billingsly road was inaccessible and completely under water for 3 days. Flash flooding occurred for approximately 12 hours, but was followed by significant overland flooding for the following few to several days. |
| June 1996 | Thunderstorm Wind | Glasgow | $50,000 | no account filed |
| August 1993 | Hail | Glasgow | $50,000 | no account filed |
| July 2001 | Hail | Glasgow | $45,000 | Large hail broke out windows from homes and dented vehicles at The Pines Recreation area. |
| July 2010 | Thunderstorm Wind | Glasgow | $25,000 | At 1938, 2 miles northwest of Glasgow, numerous large tree branches of 6 inches plus in diameter and 15 to 25 feet long were snapped off of trees with severe winds and one inch hail. The winds and hail lasted for 12 minutes. Minor damage was reported in the area with some siding, windows and shingle damage to homes. The home of the NWS employee received new shingles and sky lights. Another NWS employee nearby had the seals on their windows broken. |
| July 1997 | Thunderstorm Wind | Glasgow | $20,000 | A wind gust measured at 94 miles an hour destroyed an airplane hanger and the airplane inside. |
| July 2005 | Thunderstorm Wind | Glasgow | $10,000 | Some roofs west of town with shingle damage and large tree limbs down. |
| July 2001 | Thunderstorm Wind | Glasgow | $10,000 | Downburst winds snapped 10 power poles south of Glasgow, causing a power outage for much of the area for several hours. |
| July 1997 | Thunderstorm Wind | Glasgow | $10,000 | Trees were toppled onto parked cars. |
| August 1997 | Thunderstorm Wind | Glasgow | $10,000 | Thunderstorm winds to 91 miles an hour blew out windows in a house. |
| August 1993 | Thunderstorm Wind | Glasgow | $5,000 | There was lots of wind damage across Valley County. Several homes and trailers were damaged. A flash flood near Hinsdale washed out Highway 2 and the railroad. |
| August 1993 | Thunderstorm Wind | Glasgow | $5,000 | There was lots of wind damage across Valley County. Several homes and trailers were damaged. A flash flood near Hinsdale washed out Highway 2 and the railroad. |
| July 1999 | Hail | Glasgow | $5,000 | no account filed |
| May 1994 | Hail | Glasgow | $5,000 | no account filed |
| July 2010 | Thunderstorm Wind | Glasgow | $3,000 | Coop observer reported damage to windows and siding of his home with winds of 75 mph and three-quarter inch hail. |
| July 2010 | Lightning | Glasgow | $2,000 | Tree hit by lightning on Second Ave North in Glasgow landed on a car. |
| July 2022 | Lightning | Glasgow | $1,000 | National Weather Service Employees observed a lightning strike on the Glasgow Radome. |The radar was rendered inoperable for a few days. Estimated damage was 1,000 dollars. |
| July 2022 | Lightning | Glasgow | $1,000 | Public reported, via Facebook, damage to a house from a lightning strike. The west side of the house was burned and some siding was knocked off from the lightning strike.|Estimated damage is $1000. |
| May 2020 | Lightning | Glasgow | $100 | Public reported damage from a lightning strike to their home, including the top few bricks knocked off the chimney, and in the living room, ash was blown in from the chimney and the fireplace guard doors were flexed. |
| June 2025 | Hail | Glasgow | - | Hail to the size of a quarter fell with strong winds. |
| June 2025 | Thunderstorm Wind | Glasgow | - | ASOS at the Glasgow Airport reported 71 mph wind gust. |
| June 2025 | Thunderstorm Wind | Glasgow | - | Reported by Glasgow SW Montana Climate Office (HydroMet). |
| June 2025 | Hail | Glasgow | - | Half dollar size hail was observed by staff at NWS Glasgow MT. |
| May 2023 | Flash Flood | Glasgow | - | Law enforcement reported flooding under the 6th St. underpass with a vehicle stuck in the flood waters. |
| April 2023 | Flood | Glasgow | - | The Milk River at Glasgow (GLWM8) rose above its flood stage of 25 feet at 7:20 AM on April 12th. The river then crested at 31.89 feet at 5:15 AM on April 16th. The river would fall below flood stage at 6:10 AM on April 26th. |
| June 2023 | Flood | Glasgow | - | The Milk River at Glasgow (GLWM8) rose above its flood stage of 25 feet at 11:52 PM on June 3rd. The river then crested at 28.63 feet at 3:18 AM on June 5th. The river would fall below flood stage at 3:41 AM on June 7th. |
| June 2023 | Funnel Cloud | Glasgow | - | A National Weather Service employee observed a rope shaped funnel cloud near the Glasgow National Weather Service office. |
| February 2022 | Thunderstorm Wind | Glasgow | - | The Glasgow Airport ASOS recorded a 58 mph wind gust from a convective shower. |
| February 2022 | Thunderstorm Wind | Glasgow | - | The Glasgow Airport ASOS recorded a 58 mph wind gust from a convective shower. |
| July 2021 | Thunderstorm Wind | Glasgow | - | Public reported, via Facebook, shingles blown off the roof. Estimated wind speed was 60mph. |
| July 2021 | Thunderstorm Wind | Glasgow | - | A NWS Employee reported tree damage. Estimated wind was speed 70mph. The time was estimated. |
| March 2020 | Flood | Glasgow | - | Excessive snow melt caused flooding at the river gauge on the Milk River near Glasgow (GLWM8). The gauge recorded river levels rising above the flood stage of 25.0 feet at 10:59 AM MST on March 6th. The river crested at 26.41 feet at 1:59 AM MST on March 9th. River levels dropped back down below flood stage at 10:17 AM MST on March 11th. |
| May 2020 | Hail | Glasgow | - | CoCoRaHS observer reported quarter size hail which lasted for three minutes. |
| May 2020 | Hail | Glasgow | - | Employees at the NWS forecast office in Glasgow observed quarter size hail. |
| May 2020 | Heavy Rain | Glasgow | - | Public reported a storm total rainfall amount of 2.3 inches. |
| August 2020 | Thunderstorm Wind | Glasgow | - | Public reported a 60 mph wind gust. Time estimated from radar. |
| August 2020 | Thunderstorm Wind | Glasgow | - | Public reported, via Facebook, a moderate size tree was blown down. |
| October 2020 | Thunderstorm Wind | Glasgow | - | Public reported some shingles were blown off their roof. Event time is estimated. |
| April 2019 | Flood | Glasgow | - | Continuing the flooding from the end of March, recent melting of the larger snowpack allowed the Glasgow river gauge reading (GLWM8) along the Milk River to remain above the flood stage of 25.0 into the first week of April. The river dropped back down below flood stage at 12:36 PM MST on the 5th. |
| April 2019 | Thunderstorm Wind | Glasgow | - | The agrimet site 4 SSE Glasgow recorded a thunderstorms wind gust of 60 mph. Time is estimated by radar. |
| March 2019 | Flood | Glasgow | - | During mid-day on March 23rd, at the Glasgow forecast point (GLWM8) along the Milk River, recent snow melt caused the river level to rise above the flood stage of 25.0 feet at 12:27 PM MST. The river crested at 31.37 feet at 7:41 PM MST on the 28th. The river level remained high and flooding continued through the end of the month. |
| May 2019 | Thunderstorm Wind | Glasgow | - | Off-duty NWS employee estimated 60 mph wind gusts, in addition to heavy rain and pea sized hail. |
| June 2019 | Thunderstorm Wind | Glasgow | - | A NWS employee reported power poles bent, but not broken near the Milk River. |
| April 2018 | Flood | Glasgow | - | Excessive snow melt caused flooding at the river gauge on the Milk River near Glasgow (GLWM8). The gauge recorded river levels reaching flood stage at 8:30 AM MST on April 18th. The river crested at 30.09 feet at 3:30 AM MST on April 29th. River levels remained near the crest through the end of April, and remained at or above flood stage into May. |
| July 2018 | Thunderstorm Wind | Glasgow | - | Agrimet mesonet site Glasgow 3W recorded a 70 mph wind gust. |
| May 2018 | Flood | Glasgow | - | Excessive snowmelt brought the Milk River at Glasgow (GLWM8) into flood stage on April 18th, cresting on April 29th at a level of 30.09 feet. River levels began to drop afterwards, but flooding continued until river levels dropped below flood stage on May 7th at 2:00 AM MST. |
| May 2018 | Thunderstorm Wind | Glasgow | - | Public reported a tree fell on an unoccupied car. |
| May 2018 | Thunderstorm Wind | Glasgow | - | NWS employee estimated 60 mph wind gusts. |
| May 2018 | Thunderstorm Wind | Glasgow | - | ASOS site at the Glasgow airport measured a 59 mph wind gust. |
| July 2017 | Thunderstorm Wind | Glasgow | - | A NWS employee reported 3/4 inch diameter tree branches down due to thunderstorm outflow winds. Time is estimated based on radar. |
| July 2017 | Thunderstorm Wind | Glasgow | - | A 59 mph wind gust was measured at the Glasgow International Airport ASOS site. |
| July 2017 | Thunderstorm Wind | Glasgow | - | A Mesonet station in West Glasgow measured sustained winds of 56 mph, with a wind gust of 70 mph. |
| July 2017 | Thunderstorm Wind | Glasgow | - | A wind gust of 62 mph was measured at the Glasgow International Airport ASOS site. |
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