| 00:07 | 9 ESE Chico | Park | Mesonet station WCRM8 Wicked Creek. |
| 00:55 | 7 ESE Harlowton | Wheatland | Mesonet station HWTM8 Harlowton E. |
| 01:00 | 6 WSW Big Sky | Madison | Mesonet station YCAMS 5.7 W Big Sky (AVALANCHE). |
| 02:25 | 13 SW Washoe | Carbon | Mesonet station WAPC1 Quad Creek. |
| 02:30 | 2 W Ingomar | Rosebud | Mesonet station MTING 1.6 W Ingomar (MT DOT). |
| 03:30 | 4 W Decker | Big Horn | Mesonet station MTDKR Decker S-314 Mp 1.2. |
| 05:21 | 8 SE East Glacier Park | Glacier | Mesonet station DCRM8 Deep Creek RAWS. |
| 06:22 | 4 W Fishtail | Stillwater | Mesonet station FSLM8 Fishtail. |
| 07:05 | 8 WNW Absarokee | Stillwater | Mesonet station KEEM8 Absarokee. |
| 07:30 | 13 NNW Canyon Creek | Lewis and Clark | Mesonet station MTFPS Flesher Pass S-279 Mp 30.5. |
| 08:13 | 1 SE Baker | Fallon | ASOS station KBHK Baker. |
| 08:45 | 7 N Sourdough | Sweet Grass | Mesonet station MLVM8 Melville. |
| 08:45 | Judith Gap | Wheatland | Mesonet station MTJUD Judith Gap (MT DOT). |
| 08:54 | 7 SE Ekalaka | Carter | Mesonet station EKIM8 Mosby 16.3nne. |
| 09:00 | 9 NE Reed Point | Stillwater | Mesonet station MTM22 8.8 NE Reed Point (MT-MESO). |
| 09:15 | 8 WSW Molt | Stillwater | Mesonet station MTM20 8.4 S Halfbreed Lake Wildlife (MT-MESO). |
| 09:20 | 7 N Lavina | Golden Valley | Mesonet station LVAM8 Lavina N. |
| 09:35 | 2 NNE Laurel | Yellowstone | AWOS station K6S8 2 NNE Laurel. |
| 09:39 | 1 NW Billings | Yellowstone | ASOS station KBIL Billings. |
| 09:45 | 2 WNW Reed Point | Sweet Grass | Mesonet station MTRDP 1.5 W Reed Point (MT DOT). |
| 09:45 | 12 SSE Billings | Yellowstone | Mesonet station BNGM8 Billings S. |
| 09:50 | 11 SW Rapelje | Stillwater | Mesonet station RJEM8 Rapelje 2. |
| 09:55 | 2 SSW Big Timber | Sweet Grass | AWOS station K6S0 Big Timber. |
| 10:00 | 3 SW Lockwood | Yellowstone | Mesonet station MTYRB 3.1 SW Lockwood (MT DOT). |
| 10:00 | 9 ENE Broadview | Musselshell | Mesonet station FW8212 Broadview. |
| 10:10 | 3 SW Greycliff | Sweet Grass | Mesonet station BTSM8 Big Timber Se. |
| 10:15 | 1 SW Springdale | Park | Mesonet station MTSPD Springdale I-90 Mp 352.3. |
| 10:15 | 2 SSW Big Timber | Sweet Grass | AWOS station K6S0 Big Timber. |
| 10:34 | 1 NW Billings | Yellowstone | ASOS station KBIL Billings. |
| 10:50 | 7 N Lavina | Golden Valley | Mesonet station LVAM8 Lavina N. |
| 10:50 | 11 SW Rapelje | Stillwater | Mesonet station RJEM8 Rapelje 2. |
| 11:00 | 8 WSW Molt | Stillwater | Mesonet station MTM20 8.4 S Halfbreed Lake Wildlife (MT-MESO). |
| 11:00 | 9 NE Hedgesville | Golden Valley | Mesonet station RMYM8 Rothiemay W. |
| 11:10 | 6 ENE Broadview | Yellowstone | Mesonet station BDVM8 Broadview E. |
| 11:10 | 4 ENE Springdale | Sweet Grass | Mesonet station SDLM8 Springdale. |
| 11:15 | 2 SSW Big Timber | Sweet Grass | AWOS station K6S0 Big Timber. |
| 11:15 | 2 NNE Laurel | Yellowstone | AWOS station K6S8 2 NNE Laurel. |
| 11:34 | 7 ENE Livingston | Park | ASOS station KLVM Livingston. |
| 11:35 | 2 NNE Laurel | Yellowstone | AWOS station K6S8 2 NNE Laurel. |
| 11:45 | 7 N Lavina | Golden Valley | Mesonet station LVAM8 Lavina N. |
| 11:45 | 1 SW Springdale | Park | Mesonet station MTSPD Springdale I-90 Mp 352.3. |
| 11:50 | 12 SSE Billings | Yellowstone | Mesonet station BNGM8 Billings S. |
| 12:00 | 18 SSE Delphia | Yellowstone | Mesonet station MTM99 Steamboat. |
| 12:00 | 9 ENE Broadview | Musselshell | Mesonet station FW8212 Broadview. |
| 12:05 | 9 NE Hedgesville | Golden Valley | Mesonet station RMYM8 Rothiemay W. |
| 12:15 | 2 SW Molt | Stillwater | Mesonet station MOTM8 Molt S. |
| 12:15 | 2 SSW Big Timber | Sweet Grass | AWOS station K6S0 Big Timber. |
| 12:15 | 4 ENE Springdale | Sweet Grass | Mesonet station SDLM8 Springdale. |
| 12:15 | 8 WSW Molt | Stillwater | Mesonet station MTM20 8.4 S Halfbreed Lake Wildlife (MT-MESO). |
| 12:21 | 6 S Lockwood | Yellowstone | Mesonet station SDAM8 Soda Springs. |
| 12:30 | 11 SSE Klein | Musselshell | Mesonet station MTBUL 11.1 SE Klein (MT DOT). |
| 12:45 | 2 SSE Geyser | Judith Basin | Mesonet station MTGYS Geyser (MT DOT). |
| 12:45 | 14 ENE Roy | Fergus | Mesonet station RYOM8 Roy E. |
| 12:45 | 11 WSW Big Sandy | Chouteau | Mesonet station MTM90 Big Sandy Sw. |
| 12:50 | 11 SW Rapelje | Stillwater | Mesonet station RJEM8 Rapelje 2. |
| 12:55 | 2 SW Molt | Stillwater | Mesonet station MOTM8 Molt S. |
| 12:55 | 7 ESE Harlowton | Wheatland | Mesonet station HWTM8 Harlowton E. |
| 13:00 | 6 ENE Broadview | Yellowstone | Mesonet station BDVM8 Broadview E. |
| 13:00 | 8 N Forestgrove | Fergus | Mesonet station FRGM8 Forestgrove N. |
| 13:02 | Winifred | Fergus | Ambient Weather Station in Winifred measured a 63 mph gust. |
| 13:08 | 1 NW Billings | Yellowstone | ASOS station KBIL Billings. |
| 13:10 | 6 ENE Lame Deer | Rosebud | Mesonet station LMDM8 Lame Deer E. |
| 13:10 | 7 N Lavina | Golden Valley | Mesonet station LVAM8 Lavina N. |
| 13:18 | 13 S Fort Belknap | Blaine | Mesonet station FBLM8 Fort Belknap RAWS. |
| 13:30 | 3 SW Greycliff | Sweet Grass | Mesonet station BTSM8 Big Timber Se. |
| 13:30 | 3 SW Lockwood | Yellowstone | Mesonet station MTYRB 3.1 SW Lockwood (MT DOT). |
| 13:30 | 13 NW Roundup | Musselshell | Mesonet station MTM41 12.9 NW Roundup (MT-MESO). |
| 13:30 | 12 SSE Billings | Yellowstone | Mesonet station BNGM8 Billings S. |
| 13:35 | 12 SSE Billings | Yellowstone | Mesonet station BNGM8 Billings S. |
| 13:35 | 2 NNE Laurel | Yellowstone | AWOS station K6S8 2 NNE Laurel. |
| 13:44 | 1 E Roy | Fergus | AWOS station K1OM Oscar. |
| 13:45 | 3 SW Lockwood | Yellowstone | Mesonet station MTYRB 3.1 SW Lockwood (MT DOT). |
| 14:15 | 5 W Van Norman | Garfield | Mesonet station MTM88 Jordan E. |
| 14:15 | 9 NE Reed Point | Stillwater | Mesonet station MTM22 8.8 NE Reed Point (MT-MESO). |
| 14:20 | 11 SW Rapelje | Stillwater | Mesonet station RJEM8 Rapelje 2. |
| 14:21 | 6 S Lockwood | Yellowstone | Mesonet station SDAM8 Soda Springs. |
| 14:24 | 6 W Forestgrove | Fergus | Wunderground station KMTLEWIS74. |
| 14:30 | 7 E Roy | Fergus | Mesonet station MTBOH Bohemian Corner Jct Mt-19 Us-191. |
| 14:41 | 18 NNE Roy | Fergus | Mesonet station ARMM8 Armells Creek RAWS. |
| 14:45 | 8 NNE Snowden | Roosevelt | US-2 @Stateline US2 DOT sensor. |
| 14:45 | 9 SSE Grass Range | Fergus | Mesonet station MTBCH Beacon Hill Us-87 Mp 35.0. |
| 14:48 | 2 WNW Jordan | Garfield | ASOS station KJDN Jordan. |
| 14:50 | 2 E Fort Peck | McCone | Mesonet station GGWFP 2.4 E Fort Peck (GGWWFO). |
| 14:52 | 7 ESE Hilger | Fergus | Mesonet station JPKM8 Judith Peak RAWS. |
| 15:15 | 6 S Reed Point | Stillwater | Mesonet station MTM67 6.1 S Reed Point (MT-MESO). |
| 15:15 | 12 SSE Sprole | Richland | Mesonet station FW2498 Badger Creek. |
| 15:20 | 6 ENE Lame Deer | Rosebud | Mesonet station LMDM8 Lame Deer E. |
| 15:44 | 1 SE Baker | Fallon | ASOS station KBHK Baker. |
| 15:45 | 8 NE Ingomar | Rosebud | Mesonet station IGMM8 Ingomar Ne. |
| 15:55 | 13 SSE Forestgrove | Fergus | AWOS station KMVH N Bar Ranch AWOS. |
| 16:00 | 2 W Ingomar | Rosebud | Mesonet station MTING 1.6 W Ingomar (MT DOT). |
| 16:00 | 2 NW Rock Springs | Rosebud | Mesonet station MTHIL 1.6 NW Rock Springs (MT DOT). |
| 16:00 | 10 NW Loma | Chouteau | Mesonet station GW6710 MEADOWLANE. |
| 16:30 | 9 ENE Bascom | Rosebud | Mesonet station MTM89 Angela W. |
| 16:50 | 3 NW Miles City | Custer | ASOS station KMLS Miles City. |