| March 2019 | Flash Flood | Bill | $10,000 | An earthen dam near the Fiddle Back Ranch failed causing the release of water that washed out the nearby intersection of Dull Center and Lynch Road. The released water eventually made it downstream into the Cheyenne River causing the level to rise to the top of the river bank. |
| July 1998 | Hail | Bill | $4,000 | A storm produced golfball size hail 7 miles east of Bill. |
| July 2025 | Thunderstorm Wind | Bill | - | Upper Missouri River Basin Station at Bill 8NE recorded severe wind gust. |
| June 2023 | Hail | Bill | - | Half-dollar sized hail was reported by a trained spotter located approximately 10 miles north of Bill. |
| July 2023 | Hail | Bill | - | Public reported golfball sized hail in and around Bill. |
| July 2023 | Hail | Bill | - | Social media report of 1 inch hail and damage to trees, plants and a broken window. |
| July 2023 | Thunderstorm Wind | Bill | - | Spotter estimated 50 to 60 mph wind gusts. |
| June 2023 | Hail | Bill | - | The public measured hail up to 2.5 inches in diameter 16 miles SSE of Bill. |
| June 2023 | Hail | Bill | - | The public measured hail up to 2.5 inches in diameter 12 miles SSE of Bill. |
| August 2022 | Hail | Bill | - | Received video on social media of ping pong to golf ball size hail with accumulating hail along State Highway 59 south of Bill. |
| June 2020 | Thunderstorm Wind | Bill | - | RAWS station RHKW4 - Rochelle Hills reported wind gust. |
| June 2019 | Tornado (EF0) | Bill | - | Wyoming State Highway Patrol reported tornado on the outskirts of Bill with corresponding video confirmation of a visible condensation funnel east of the hotel in town. A later report via social media presented photographic evidence of tornadic damage to a manufactured home east-southeast of Bill with a corner of the roof peeled off consistent with EF-0 damage. |
| July 2019 | Thunderstorm Wind | Bill | - | Observer noted dime size hail and heavy rainfall. |
| July 2018 | Hail | Bill | - | Heavy rains associated with the storm flooded basement along with hail breaking two windows. |
| July 2018 | Hail | Bill | - | Quarter size hail was observed northeast of Bill. |
| June 2016 | Hail | Bill | - | Quarter size hail was reported at Bill. |
| July 2016 | Thunderstorm Wind | Bill | - | Estimated 65 mph wind gusts were reported at Bill. |
| July 2016 | Hail | Bill | - | Quarter size hail was reported a mile east of Dull Center. |
| July 2015 | Hail | Bill | - | Quarter size hail was observed ten miles east of Bill. |
| August 2015 | Hail | Bill | - | Quarter size hail was observed 15 miles west of Bill. |
| August 2015 | Thunderstorm Wind | Bill | - | Estimated wind gusts of 55 to 60 mph were observed 15 miles west of Bill. |
| August 2015 | Hail | Bill | - | Half dollar size hail was reported 33 miles west-northwest of Bill. |
| June 2015 | Hail | Bill | - | Quarter size hail was observed at Dull Center. |
| June 2015 | Hail | Bill | - | Ping pong ball size hail was observed 25 miles west-northwest of Bill. |
| June 2015 | Hail | Bill | - | Half dollar to ping pong ball size hail was reported 15 miles west of Bill. |
| June 2014 | Hail | Bill | - | Quarter size hail was observed northeast of Bill. |
| July 2014 | Hail | Bill | - | Quarter to half dollar size hail was reported west of Bill. |
| July 2014 | Hail | Bill | - | Ping pong ball size hail was reported west of Bill. |
| July 2014 | Hail | Bill | - | Golf ball size hail was reported in Bill and east of Bill. |
| May 2014 | Hail | Bill | - | Penny to quarter size hail was reported north of Bill. |
| July 2013 | Hail | Bill | - | Ping pong ball to baseball size hail was reported just east of Bill. |
| July 2013 | Hail | Bill | - | Marble to quarter size hail was reported 25 miles west-northwest of Bill. |
| July 2013 | Hail | Bill | - | Dime to quarter size hail was reported west of Bill. |
| August 2013 | Flash Flood | Bill | - | Water and debris were flowing across Highway 59 north of Bill. |
| June 2012 | Hail | Bill | - | Penny to quarter sized hail was observed. |
| June 2012 | Hail | Bill | - | Dime to quarter sized hail was reported. |
| August 2012 | Thunderstorm Wind | Bill | - | A collapsing thunderstorm produced a wind gust of 61 mph at Bill. |
| July 2011 | Hail | Bill | - | Quarter to ping pong ball size hail was observed. |
| June 2010 | Tornado (EF0) | Bill | - | Estimated path length and width due to no storm survey being conducted. No damage was reported. |
| May 2010 | Hail | Bill | - | Hail of 1 inch in diameter fell with this storm. |
| June 1999 | Tornado (F0) | Bill | - | Tornado reported 10 miles west of Bill, WY |
| July 2020 | Hail | Bill | - | no account filed |
| June 2019 | Hail | Bill | - | no account filed |
| June 2019 | Hail | Bill | - | no account filed |
| July 2019 | Hail | Bill | - | no account filed |
| July 2019 | Hail | Bill | - | no account filed |
| July 2011 | Hail | Bill | - | no account filed |
| July 2008 | Hail | Bill | - | no account filed |
| July 2008 | Hail | Bill | - | no account filed |
| August 2005 | Hail | Bill | - | no account filed |
| August 2005 | Hail | Bill | - | no account filed |
| August 2005 | Hail | Bill | - | no account filed |
| July 2001 | Hail | Bill | - | no account filed |
| July 2001 | Hail | Bill | - | no account filed |
| August 1996 | Hail | Bill | - | no account filed |