567 WWUS55 KGGW 140100 SVSGGW Severe Weather Statement National Weather Service Glasgow MT 700 PM MDT Wed May 13 2026 MTC033-069-071-105-140130- /O.CON.KGGW.SV.W.0014.000000T0000Z-260514T0130Z/ Phillips MT-Petroleum MT-Garfield MT-Valley MT- 700 PM MDT Wed May 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT FOR SOUTHEASTERN PHILLIPS...NORTHEASTERN PETROLEUM...GARFIELD AND SOUTHWESTERN VALLEY COUNTIES... At 659 PM MDT, severe thunderstorms were located along a line extending from 11 miles northwest of Dodson to 9 miles northwest of Edwards, moving northeast at 50 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Malta, Jordan, Zortman, Dodson, Sand Springs, Fourchette, U L Bend Rec Area, Crooked Creek Rec Area, Hillside, Devils Creek Rec Area, Edwards, Cohagen, Brusett, Phillips, Wagner, Steve Fork, Landusky, Content, and Sun Prairie. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4792 10863 4799 10861 4798 10844 4845 10841 4844 10840 4867 10806 4685 10622 4686 10762 4711 10772 4732 10793 4758 10831 4775 10862 TIME...MOT...LOC 0059Z 208DEG 45KT 4847 10847 4725 10744 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Maliawco  203 FZUS71 KLWX 140107 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 907 PM EDT Wed May 13 2026 ANZ530-531-538-539-140130- /O.CON.KLWX.MA.W.0056.000000T0000Z-260514T0130Z/ 907 PM EDT Wed May 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 930 PM EDT... For the following areas... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... Patapsco River including Baltimore Harbor... At 906 PM EDT, a front was located along a line extending from 10 nm north of Havre De Grace to near Fort Smallwood State Park, moving east at 35 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Locations impacted include... Fort Smallwood State Park, Pinehurst, Turkey Point, Aberdeen Proving Ground, North Point State Park, Magothy River, Hart Miller Island, Rock Hall, Dobbins Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Spesutie Island, Love Point, Gunpowder River, Baltimore Light, Northeast River, and Sevenfoot Knoll. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3959 7593 3949 7597 3954 7587 3945 7585 3940 7601 3937 7589 3936 7590 3932 7618 3902 7622 3901 7617 3902 7641 3926 7665 3923 7643 3941 7637 3948 7622 3937 7622 3954 7611 TIME...MOT...LOC 0106Z 273DEG 36KT 3972 7615 3911 7659 HAIL...<.75IN WIND...>34KTS $$ KLW  630 FZUS71 KLWX 140111 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 911 PM EDT Wed May 13 2026 ANZ535-536-140200- /O.CON.KLWX.MA.W.0055.000000T0000Z-260514T0200Z/ 911 PM EDT Wed May 13 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT... For the following areas... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... At 911 PM EDT, a front was located along a line extending from near National Harbor to near Gunston Hall to Smallwood State Park to 7 nm west of Aquia Creek, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Locations impacted include... Potomac Creek, Nanjemoy Creek, Smallwood State Park, Swan Point, Gunston Hall, Occoquan Bay, Popes Creek, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, Cobb Island, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, Woodrow Wilson Bridge, Wicomico River, Indian Head, Fort Hunt, and Brent Point. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 3866 7724 3864 7719 3870 7720 3873 7706 3891 7705 3890 7705 3870 7700 3851 7724 3839 7723 3846 7701 3835 7696 3823 7677 3826 7686 3817 7686 3821 7695 3835 7704 3833 7729 3841 7733 TIME...MOT...LOC 0111Z 315DEG 24KT 3883 7692 3864 7705 3853 7721 3844 7748 HAIL...0.00IN WIND...>34KTS $$ KLW  620 WWUS55 KBYZ 140115 SVSBYZ Severe Weather Statement National Weather Service Billings MT 715 PM MDT Wed May 13 2026 MTC009-095-140125- /O.EXP.KBYZ.SV.W.0008.000000T0000Z-260514T0115Z/ Carbon MT-Stillwater MT- 715 PM MDT Wed May 13 2026 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR CARBON AND SOUTHERN STILLWATER COUNTIES... The storms which prompted the warning have weakened below severe limits. Winds up to 55 mph are still possible. A Severe Thunderstorm Watch remains in effect until 1100 PM MDT Wednesday for a portion of south central Montana. && LAT...LON 4535 10993 4546 10993 4557 10970 4557 10969 4559 10969 4561 10968 4561 10956 4568 10956 4575 10945 4555 10880 4547 10870 4522 10870 4501 10926 4500 10938 4500 10948 4520 10968 TIME...MOT...LOC 0043Z 242DEG 17KT 4548 10985 4531 10953 4511 10933 $$ McKeown-Robbie  517 WWUS55 KBYZ 140117 SVSBYZ Severe Weather Statement National Weather Service Billings MT 717 PM MDT Wed May 13 2026 MTC097-140127- /O.CAN.KBYZ.SV.W.0009.000000T0000Z-260514T0130Z/ Sweet Grass MT- 717 PM MDT Wed May 13 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SWEET GRASS COUNTY... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 900 PM MDT for a portion of south central Montana. A High Wind Warning remains in effect through 900 pm Thursday. && LAT...LON 4552 10993 4594 11029 4600 11029 4622 10996 4622 10965 4613 10965 4613 10960 4605 10960 4604 10946 4601 10942 4596 10942 4596 10951 4587 10951 4587 10955 4563 10956 4561 10959 4561 10969 4557 10969 4557 10981 4552 10981 TIME...MOT...LOC 0031Z 239DEG 23KT 4586 10991 $$ McKeown-Robbie  665 WUUS55 KGGW 140129 SVRGGW MTC033-055-071-079-105-140230- /O.NEW.KGGW.SV.W.0015.260514T0129Z-260514T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Glasgow MT 729 PM MDT Wed May 13 2026 The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Eastern Phillips County in northeastern Montana... Garfield County in northeastern Montana... Southern Valley County in northeastern Montana... Western McCone County in northeastern Montana... Northwestern Prairie County in northeastern Montana... * Until 830 PM MDT. * At 729 PM MDT, severe thunderstorms were located along a line extending from 9 miles southwest of Malta to 29 miles south of Hinsdale to 6 miles north of Hillside, moving northeast at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Glasgow, Malta, Jordan, Whitewater, Nashua, Fort Peck, Saco, Duck Creek Rec Area, Brockway, Hillside, Hell Creek Rec Area, Flowing Wells Rest Area, St. Marie, Brusett, The Pines Rec Area, Tampico, Hinsdale, Fort Peck Marina, Cohagen, and Nelson Creek Rec Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If on or near Fort Peck Lake, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4843 10634 4736 10569 4678 10556 4678 10562 4683 10562 4683 10583 4686 10584 4684 10660 4684 10672 4686 10672 4686 10719 4785 10759 4809 10834 4885 10767 TIME...MOT...LOC 0129Z 231DEG 38KT 4827 10804 4800 10731 4701 10641 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Maliawco  917 WWUS55 KGGW 140159 SVSGGW Severe Weather Statement National Weather Service Glasgow MT 759 PM MDT Wed May 13 2026 MTC033-055-071-079-105-140230- /O.CON.KGGW.SV.W.0015.000000T0000Z-260514T0230Z/ Phillips MT-Garfield MT-Valley MT-McCone MT-Prairie MT- 759 PM MDT Wed May 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR EAST CENTRAL PHILLIPS...EASTERN GARFIELD...SOUTHERN VALLEY... WESTERN MCCONE AND NORTHWESTERN PRAIRIE COUNTIES... At 758 PM MDT, severe thunderstorms were located along a line extending from 10 miles northeast of Malta to 10 miles southwest of Tampico to 10 miles southeast of Flowing Wells Rest Area, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Glasgow, Nashua, Fort Peck, Saco, Duck Creek Rec Area, Brockway, Hillside, Flowing Wells Rest Area, St. Marie, The Pines Rec Area, Tampico, Hinsdale, Fort Peck Marina, Cohagen, Nelson Creek Rec Area, Rock Creek Rec Area, Vandalia, Park Grove, Van Norman, and The Bentonite Plant. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If on or near Fort Peck Lake, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4843 10634 4736 10569 4678 10556 4678 10562 4683 10562 4683 10583 4686 10584 4684 10660 4684 10672 4686 10672 4686 10694 4765 10685 4834 10767 4874 10737 TIME...MOT...LOC 0158Z 231DEG 38KT 4845 10771 4818 10698 4719 10608 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Maliawco