| August 2002 | Thunderstorm Wind | Nowata | $3,500,000 | Thunderstorm winds measured at 74 miles an hour at a nearby mesonet site and estimated at 80 miles an hour at Nowata did widespread damage in and around Nowata. Several hundred trees and power poles were damaged or blown down. The trees fell on several houses causing roof damage. Several cars were also damaged. The downed power poles caused widespread power outages that lasted up to 12 hours. |
| May 2003 | Thunderstorm Wind | Nowata | $750,000 | Thunderstorm winds estimated at 80 miles did serious damage along a 6 miles long area from just southwest of Nowata to just northwest of Nowata. Two homes, an indoor livestock area and 5 barns were destroyed. Twelve other structures received significant roof damage. This damage was produced by the same line of thunderstorms that produced significant wind damage in Bartlesville earlier in the morning. |
| May 1993 | Thunderstorm Wind | Nowata | $500,000 | no account filed |
| September 2012 | Hail | Nowata | $100,000 | Wind-driven baseball size hail broke windows, damaged the roofs and siding of homes, and damaged automobiles. |
| September 2012 | Thunderstorm Wind | Nowata | $60,000 | Strong thunderstorm wind destroyed several steel-framed structures, damaged a number of homes, snapped numerous power poles, and snapped or uprooted trees. |
| September 2012 | Thunderstorm Wind | Nowata | $25,000 | Strong thunderstorm wind snapped a number of power poles and uprooted trees. |
| May 2017 | Hail | Nowata | $20,000 | no account filed |
| June 2014 | Hail | Nowata | $20,000 | no account filed |
| September 2012 | Thunderstorm Wind | Nowata | $5,000 | Power lines were blown down by strong thunderstorm wind. |
| September 2012 | Thunderstorm Wind | Nowata | $5,000 | Strong thunderstorm wind damaged the metal siding of an outdoor garage, blew shingles off the roofs of several homes, and snapped large tree limbs. |
| April 2009 | Thunderstorm Wind | Nowata | $5,000 | Thunderstorm winds estimated at 80 miles an hour blew part of a roof off of a house. |
| April 2008 | Flash Flood | Nowata | $5,000 | Heavy rain caused severe street flooding. Water entered some homes. |
| May 2017 | Hail | Nowata | $5,000 | no account filed |
| June 1997 | Thunderstorm Wind | Nowata | $5,000 | no account filed |
| May 1996 | Lightning | Nowata | $5,000 | no account filed |
| March 1996 | Thunderstorm Wind | Nowata | $5,000 | no account filed |
| March 1996 | Thunderstorm Wind | Nowata | $5,000 | no account filed |
| April 1995 | Thunderstorm Wind | Nowata | $5,000 | no account filed |
| July 1994 | Thunderstorm Wind | Nowata | $5,000 | no account filed |
| October 1998 | Thunderstorm Wind | Nowata | $4,000 | Five to six power lines were blown down near New Alluwe |
| July 2001 | Thunderstorm Wind | Nowata | $3,000 | Thunderstorm winds estimated at 70 miles an hour blew down power lines and an amateur radio antenna. |
| October 1998 | Thunderstorm Wind | Nowata | $3,000 | A home sustained roof damage. |
| March 1996 | Thunderstorm Wind | Nowata | $3,000 | no account filed |
| May 2025 | Thunderstorm Wind | Nowata | $2,000 | Strong thunderstorm wind snapped numerous large tree limbs and blew down power lines. |
| April 1996 | Thunderstorm Wind | Nowata | $2,000 | no account filed |
| October 1998 | Thunderstorm Wind | Nowata | $1,500 | Several trees and a power line were blown down in Nowata. |
| June 2007 | Thunderstorm Wind | Nowata | $1,000 | Thunderstorm winds estimated at 60 miles an hour blew down power lines. |
| July 1995 | Thunderstorm Wind | Nowata | $500 | Severe thunderstorms moved across northeast Oklahoma during the very early morning of July 3rd. Strong thunderstorm wind blew the tin siding off a barn in Nowata and also blew down large tree limbs in Nowata. Large tree limbs were also blown down in Delaware, and 60 mph winds blew down large tree limbs at Wah-sha-she State Park six miles northeast of Bowring. Thunderstorm winds also gusted to 60 miles an hour in Lenapah. Nickel-size hail fell at Copan, and dime-size hail fell at Grainola and at Delaware. |
| March 2001 | Thunderstorm Wind | Nowata | $100 | Thunderstorm winds blew down several large tree limbs. |
| April 2001 | Thunderstorm Wind | Nowata | $100 | Thunderstorm winds blew down a large tree limb. |
| April 2001 | Thunderstorm Wind | Nowata | $100 | Thunderstorm winds blew down large tree limbs. |
| April 2000 | Thunderstorm Wind | Nowata | $100 | Thunderstorm winds blew down a large tree. |
| June 1997 | Thunderstorm Wind | Nowata | $100 | no account filed |
| June 1997 | Thunderstorm Wind | Nowata | $100 | no account filed |
| April 1996 | Thunderstorm Wind | Nowata | $100 | no account filed |
| June 1996 | Thunderstorm Wind | Nowata | $100 | no account filed |
| May 2021 | Flash Flood | Nowata | - | Several roads were reported flooded on the southeast side of town. |
| May 2019 | Flash Flood | Nowata | - | Portions of Highway 169 in Nowata were closed due to high water. |
| June 2019 | Flash Flood | Nowata | - | Several roads were flooded in and around Nowata. |
| April 2019 | Thunderstorm Wind | Nowata | - | Thunderstorm wind gusts were measured to 62 mph. |
| August 2017 | Thunderstorm Wind | Nowata | - | Strong thunderstorm wind uprooted a large tree. |
| April 2012 | Thunderstorm Wind | Nowata | - | Strong thunderstorm wind blew down large tree limbs. |
| April 2012 | Tornado (EF0) | Nowata | - | Storm spotters reported a brief tornado. Large tree limbs were snapped by this tornado. |
| April 2012 | Tornado (EF1) | Nowata | - | Storm spotters reported a brief tornado. The tornado snapped hardwood trees. |
| May 2011 | Thunderstorm Wind | Nowata | - | Strong thunderstorm wind gusts blew down large trees. |
| May 2011 | Flash Flood | Nowata | - | The county road just north of Highway 60 along the Nowata/Craig County line was flooded and impassable. |
| June 2009 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down a large tree limb. |
| November 2008 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 70 miles an hour blew down a tree. |
| May 2008 | Flash Flood | Nowata | - | Heavy rain caused secondary roads to be flooded near and to the west of Nowata. |
| June 2008 | Flash Flood | Nowata | - | Heavy rain flooded many secondary roads. Water also flowed over Highway 169 north of Nowata. |
| May 2008 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| October 2007 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down two large trees. |
| August 2006 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| June 2005 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| August 2005 | Thunderstorm Wind | Nowata | - | Strong thunderstorm wind blew down large tree limbs. |
| August 2005 | Thunderstorm Wind | Nowata | - | Strong thunderstorm wind blew down large limbs, which blocked a road. |
| July 2004 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 70 miles an hour blew down numerous trees. |
| July 2003 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| May 2003 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| April 2003 | Thunderstorm Wind | Nowata | - | Thunderstorm winds estimated at 60 miles an hour blew down numerous large tree limbs. |