| May 2006 | Thunderstorm Wind | Pontiac | 1 hurt, $25,000 | A semi tractor trailer was blown over on Interstate 55 near Route 116. The driver needed to be cut out of the truck and was taken to the hospital. |
| June 2010 | Thunderstorm Wind | Pontiac | $10,000 | Wind gusts were estimated as high as 80 mph. Multiple tree limbs and power lines were blown down. One tree limb fell onto a house on Timber Street causing damage to the roof. |
| August 2008 | Thunderstorm Wind | Pontiac | $3,000 | Several tree limbs and power lines were blown down. |
| May 2013 | Thunderstorm Wind | Pontiac | $1,000 | Several large trees and power lines were blown down. |
| June 2011 | Thunderstorm Wind | Pontiac | $1,000 | Tree limbs and power lines were blown down. |
| May 2006 | Thunderstorm Wind | Pontiac | $1,000 | A building and trees were damaged. |
| August 2014 | Lightning | Pontiac | $500 | Lightning struck a utility pole which caught fire. |
| July 2025 | Funnel Cloud | Pontiac | - | A funnel cloud was reported halfway to the ground. |
| December 2025 | Thunderstorm Wind | Pontiac | - | A large tree limb was blown down onto North Mill Street. |
| December 2025 | Tornado (EF1) | Pontiac | - | A tornado with peak winds of 90 mph touched down just south of 4H Park Road on the northwest side of Pontiac and immediately moved northeast across the Motorola and Vermillion Estates Subdivisions. The tornado caused roofing and siding damage to a number of houses, apartments and manufactured homes. Two houses had large portions of roofing blown off, leave the attics exposed. The tornado crossed Route 23 and produced additional siding and fascia damage to a few manufactured homes in the Redwood mobile home park before ending north of E 1830 North Road. The tornado also damaged several trees along its path. |
| June 2024 | Thunderstorm Wind | Pontiac | - | A 911 dispatch center reported power lines down, damage to trees, and a downed street lamp in Pontiac. |
| August 2022 | Thunderstorm Wind | Pontiac | - | A tree was snapped. |
| August 2022 | Thunderstorm Wind | Pontiac | - | A utility pole and power lines were blown down blocking roads. |
| July 2022 | Thunderstorm Wind | Pontiac | - | Trees, tree limbs and power lines were blown down in Pontiac. Some trees were uprooted, including 8 trees in Chatauqua Park. At least one car was damaged by a falling tree limb. Several trees were blown down along East Indiana Avenue. |
| September 2022 | Thunderstorm Wind | Pontiac | - | A large pine tree was blown down. |
| June 2021 | Thunderstorm Wind | Pontiac | - | Roofing panels were blown off a lumber company building. |
| May 2020 | Thunderstorm Wind | Pontiac | - | Trees and power lines were blown down in and around the Pontiac area. |
| July 2020 | Thunderstorm Wind | Pontiac | - | Multiple reports of trees blown down in Pontiac were received. |
| July 2020 | Thunderstorm Wind | Pontiac | - | A large tree was blown down which knocked down power lines. |
| June 2019 | Thunderstorm Wind | Pontiac | - | Numerous power lines were blown down throughout Pontiac. |
| July 2019 | Thunderstorm Wind | Pontiac | - | One large tree and several large tree limbs were blown down. |
| September 2019 | Flood | Pontiac | - | A few roadways were barricaded due to standing water in Pontiac. |
| May 2018 | Thunderstorm Wind | Pontiac | - | A few tree limbs were blown down, one on a car. |
| March 2017 | Hail | Pontiac | - | Three reports of nickel to quarter size hail came in from Pontiac. |
| August 2016 | Flood | Pontiac | - | Heavy rain caused road closures at Moulton and Court St in Pontiac, IL. |
| June 2015 | Flash Flood | Pontiac | - | Two to three feet of water was flowing down Division street near Lowell Avenue. |
| August 2014 | Thunderstorm Wind | Pontiac | - | A tree was blown down on Route 116. |
| May 2013 | Thunderstorm Wind | Pontiac | - | Trees were reported snapped. |
| May 2011 | Hail | Pontiac | - | Nickel to quarter size hail was reported in Pontiac. |
| June 2011 | Thunderstorm Wind | Pontiac | - | A wind gust to 71 mph was measured in Pontiac. Several tree limbs were blown down, some onto power lines. |
| June 2010 | Thunderstorm Wind | Pontiac | - | A barn was blown off of its foundation. |
| June 2010 | Thunderstorm Wind | Pontiac | - | A 10 inch diameter tree limb fell on a roof of a house. Wind gusted to 65 mph. |
| August 2009 | Heavy Rain | Pontiac | - | Rainfall of 3.00 inches was reported in the past 12 hours. |
| July 2007 | Flash Flood | Pontiac | - | Water flowing across Route 116. |
| July 2007 | Flash Flood | Pontiac | - | Water covering roadways. Pontiac measured 4.35 inches of rain. |
| July 2007 | Flash Flood | Pontiac | - | Water covering roadways. |
| March 2007 | Flood | Pontiac | - | Roads closed countywide due to high water. Chatsworth measured 3.12 inches of rainfall and Fairbury measured 2.36 inches of rainfall. |
| May 2006 | Thunderstorm Wind | Pontiac | - | A gust to 59 mph was measured at the Pontiac Airport. |
| October 2006 | Thunderstorm Wind | Pontiac | - | Trees and power lines were blown down. |
| May 2004 | Thunderstorm Wind | Pontiac | - | Trees were uprooted. |
| May 2004 | Tornado (F2) | Pontiac | - | A tornado moved into Livingston County from McLean County, 1.7 miles northwest of Chenoa. A farm house was unroofed and a double-wide mobile home, outbuildings and grain bins were destroyed. The tornado ended 8 miles southwest of Pontiac or 2.5 miles southwest of Ocoya. At its strongest point, the tornado was 240 yards wide, with wind speeds between 130 and 140 mph. For additional information on this tornado, see Storm Data for ILLINOIS, Central. |
| May 2004 | Thunderstorm Wind | Pontiac | - | Trees were blown down on Route 116 east of Lafayette Street, and trees were down in various location in Pontiac. |
| May 2004 | Tornado (F1) | Pontiac | - | This event was a series of short tornado segments south of Pontiac. It began 8 miles southwest of Pontiac near County Roads 1400 North and 900 East. A barn roof was torn off and a large tree was snapped near 1000 East. Trees and limbs were blown down and farm outbuildings were damaged along County Road 1400 North. The damage ended at Pike Creek about one half mile west of 1200 East, where doors of a shed were blown out. Additional damage began just east of Interstate 55, north of County Road 1400 North. Trees and limbs were down at County Road 1325 East and near a nursing home on Old Route 66. Damage occurred again near County Road 1700 East, north of County Road 1400 North, where a house had roof damage and trees were blown down. Tree limbs were damaged on County Roads 1775 East and 1800 East. The most intense damage was on Billet Rd., about 1/2 mile north of County Road 1400 North, near the Vermillion River. About 1 dozen large trees were snapped in this area. The damage path was up to 50 yards wide at this point and the tornado was rated F1. The damage ended near County Roads 2000 East and 1500 North, where an old barn was blown down. This is 5 miles southeast of Pontiac. The total path was 12 miles. |
| September 2003 | Hail | Pontiac | - | Quarter size hail covered the ground. |
| June 1999 | Thunderstorm Wind | Pontiac | - | Trees were blown down. |
| May 2020 | Hail | Pontiac | - | no account filed |
| April 2017 | Hail | Pontiac | - | no account filed |
| June 2016 | Thunderstorm Wind | Pontiac | - | no account filed |
| August 2014 | Hail | Pontiac | - | no account filed |
| June 2013 | Thunderstorm Wind | Pontiac | - | no account filed |
| August 2012 | Hail | Pontiac | - | no account filed |
| May 2011 | Thunderstorm Wind | Pontiac | - | no account filed |
| August 2009 | Thunderstorm Wind | Pontiac | - | no account filed |
| July 2009 | Thunderstorm Wind | Pontiac | - | no account filed |
| June 2006 | Hail | Pontiac | - | no account filed |
| May 2003 | Hail | Pontiac | - | no account filed |
| May 2003 | Hail | Pontiac | - | no account filed |
| June 2001 | Flash Flood | Pontiac | - | no account filed |
| October 2001 | Thunderstorm Wind | Pontiac | - | no account filed |
| September 2000 | Hail | Pontiac | - | no account filed |