Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Bighorn Mountains Southeast; Northeast Johnson County |
| Effective: | 2026-07-19 @ 7:27 pm -> 2026-07-19 @ 8:15 pm |
| Onset: | 2026-07-19 @ 7:27 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-07-19 @ 7:27 pm |
| Headline: | Special Weather Statement issued July 19 at 6:27PM MDT by NWS Riverton WY |
| Description: |
At 626 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles east of Lake De Smet, which is 15 miles northeast of Buffalo, moving southeast at 25 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of northeastern Johnson County, including the following locations... Buffalo Johnson County Airport and Johnson County Fairgrounds. This includes the following highways... Interstate 25 between mile markers 289 and 299. Interstate 90 between mile markers 54 and 74. |
| Alert: | Special Weather Statement |
| Area(s): | Powder River; Northeast Bighorn Mountains; Sheridan Foothills |
| Effective: | 2026-07-19 @ 7:13 pm -> 2026-07-19 @ 8:00 pm |
| Onset: | 2026-07-19 @ 7:13 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-07-19 @ 7:13 pm |
| Headline: | Special Weather Statement issued July 19 at 6:13PM MDT by NWS Billings MT |
| Description: |
At 613 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 40 miles northeast of Sheridan to 14 miles south of Sheridan, moving east at 30 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Big Horn, Clearmont, Leiter, Arvada, Moorhead and Banner. |
| Alert: | Special Weather Statement |
| Area(s): | Bighorn Mountains Southeast; Northeast Johnson County |
| Effective: | 2026-07-19 @ 6:55 pm -> 2026-07-19 @ 7:45 pm |
| Onset: | 2026-07-19 @ 6:55 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-07-19 @ 6:55 pm |
| Headline: | Special Weather Statement issued July 19 at 5:55PM MDT by NWS Riverton WY |
| Description: |
At 555 PM MDT, Doppler radar was tracking a strong thunderstorm near Fort Phil Kearny Historical Site, which is 15 miles southeast of Sheridan, moving southeast at 20 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of north central Johnson County, including the following locations... Buffalo Johnson County Airport and Johnson County Fairgrounds. This includes the following highways... Interstate 25 near mile marker 299. Interstate 90 between mile markers 42 and 58. |
| Alert: | Heat Advisory |
| Area(s): | Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Mellette; Todd; Tripp; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle; Northeastern Crook |
| Effective: | 2026-07-19 @ 4:19 pm -> 2026-07-19 @ 10:00 pm |
| Onset: | 2026-07-19 @ 4:19 pm -> 2026-07-19 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-07-19 @ 4:19 pm |
| Headline: | Heat Advisory issued July 19 at 3:19PM MDT until July 19 at 9:00PM MDT by NWS Rapid City SD |
| Description: |
* WHAT...Heat index values up to 105. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 9 PM MDT /10 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. |
| Alert: | Heat Advisory |
| Area(s): | Box Butte; Scotts Bluff; Banner; Morrill; South Sioux; Converse County Lower Elevations; Niobrara County; Goshen County |
| Effective: | 2026-07-19 @ 1:46 pm -> 2026-07-19 @ 10:00 pm |
| Onset: | 2026-07-19 @ 1:46 pm -> 2026-07-20 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-07-19 @ 1:46 pm |
| Headline: | Heat Advisory issued July 19 at 12:46PM MDT until July 20 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...Afternoon temperatures in the upper 90's to low 100's with overnight lows in the mid 60's to low 70's. * WHERE...In Nebraska, Banner County, Box Butte County, Morrill County, Scotts Bluff County, and Southern Sioux County. In Wyoming, Converse County Lower Elevations, Niobrara County, and Goshen County. * WHEN...Until 6 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. |