Canada’s independent and community-driven weather organization. Providing context to severe weather since 2013. Visit our website: instantweather.cahttps://bsky.app/profile/instantweather.bsky.socialhttps://bsky.app/profile/instantweather.bsky.social/post/3mtp2j7gxzc2o#ONStorm #ONwx 🔴 LIVE |⚡️Canada's Severe Weather Coverage: Ontario (Sat, Aug. 22, 2026) Watch on YouTube: https://youtube.com/live/3dHeFQQZL3c - Brennen22 Aug 2026 19:54 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mtp2j7gxzc2ohttps://bsky.app/profile/instantweather.bsky.social/post/3mtow2yfjj22i⛈️🌪️ Severe Storms and Isolated Tornado Risk Saturday in Southern Ontario With Great Lakes Waterspout Outbreak This Weekend 📅 Saturday, August 22, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/8/22/thunderstorm - Brennen #ONStorm #ONwx22 Aug 2026 18:34 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mtow2yfjj22ihttps://bsky.app/profile/instantweather.bsky.social/post/3mswiun2z2k2nDid you receive the Tornado Warning today south of Sarnia or our custom Tornado Potential notification? Please fill out this short survey: https://docs.google.com/forms/d/16qD_3fO6_K4Nn1AcqrA1q81vvDJSb-Qz17ir8qNmrYY/preview Thank you for your help! Sincerely, - Adam & the IW team #Sarnia #Ontario #onstorm13 Aug 2026 01:34 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mswiun2z2k2nhttps://bsky.app/profile/instantweather.bsky.social/post/3msvhisvk6c2u#ONStorm #ONwx 🔴 LIVE |⚡️Canada's Severe Weather Coverage: Ontario (Wed, Aug. 12, 2026) Watch on YouTube: https://www.youtube.com/live/gFnoj9xqOp0?si=bX9f3FUGcgXsN1kp - Brennen12 Aug 2026 15:37 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3msvhisvk6c2uhttps://bsky.app/profile/instantweather.bsky.social/post/3msuhhph7pc2a#ONStorm #ONwx ⚠️🌪️ Potential Tornado Risk for Greater Toronto Area and Southwestern Ontario With Severe Storms Wednesday 📅 Wednesday, August 12, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/8/12/thunderstorm - Brennen12 Aug 2026 06:04 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3msuhhph7pc2ahttps://bsky.app/profile/instantweather.bsky.social/post/3msp7sszoi22n#ONStorm #ONwx 🌪️🧊 Ottawa Valley and Central Ontario Face Tornado and Large Hail Risk Monday as Wildfire Smoke Adds Uncertainty to Storm Threat for Southwestern Ontario 📅 Monday, August 10, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/8/10/thunderstorm - Brennen10 Aug 2026 04:03 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3msp7sszoi22nhttps://bsky.app/profile/instantweather.bsky.social/post/3msk7sjruis27#ONStorm #ONwx ⚠️⛈️ Weekend Severe Storm Risk Targets Southern Ontario Including the Greater Toronto Area on Saturday 📅 Saturday, August 8 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/8/8/thunderstorm - Brennen08 Aug 2026 04:20 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3msk7sjruis27https://bsky.app/profile/instantweather.bsky.social/post/3msjlrjgj522wMassive Upgrade to Environment Canada's Warning System Coming as Early as Tuesday! Woohoo! Details: https://instantweatherinc.com/article/2026/8/7/massive-upgrade-to-environment-canadas-warning-system07 Aug 2026 22:22 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3msjlrjgj522whttps://bsky.app/profile/instantweather.bsky.social/post/3mrjefrkqyk26#ONStorm #ONwx ⛈️💨 Widespread Severe Thunderstorm Threat in Southwestern Ontario Sunday With Timbit-Sized Hail and Damaging Winds Possible 📅 Sunday, July 26 - Monday, July 27, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/7/25/thunderstorm - Brennen26 Jul 2026 02:44 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mrjefrkqyk26https://bsky.app/profile/instantweather.bsky.social/post/3mr52lc3kes2v#ONStorm #ONwx 🔔💨 Southern Ontario Faces Strong Severe Storm Risk Tuesday With Damaging Winds, Toonie-Sized Hail and Tornadoes Possible 📅 Tuesday, July 21, 2026 ⤵️ VIEW THE DETAILED FORECAST: https://instantweatherinc.com/article/ontario/2026/7/21/thunderstorm - Brennen21 Jul 2026 05:17 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mr52lc3kes2vhttps://bsky.app/profile/instantweather.bsky.social/post/3mqvow7u6vc2p#ONStorm #ONwx 🔴🌪️ GTA in the Bullseye as Southern Ontario Faces Significant Storm Risk With Tornadoes, Destructive Winds and Timbit-Sized Hail Possible Saturday 📅 Saturday, July 18, 2026 ⤵️ VIEW THE DETAILED FORECAST: https://instantweatherinc.com/article/ontario/2026/7/18/thunderstorm - Brennen18 Jul 2026 06:59 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mqvow7u6vc2phttps://bsky.app/profile/instantweather.bsky.social/post/3mqlgknvic223#ONStorm #ONwx 🥵⛈️ Potential Record-Breaking Heat to Fuel Severe Thunderstorm Threat Across Southern Ontario Tuesday 📅 Tuesday, July 14, 2026 ⤵️ VIEW THE DETAILED FORECAST: https://instantweatherinc.com/article/ontario/2026/7/14/thunderstorm-heat - Brennen14 Jul 2026 05:03 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mqlgknvic223https://bsky.app/profile/instantweather.bsky.social/post/3mq6vtd7w5k2k#ONStorm #ONwx ⚠️⚡️ Severe Storm Risk Targets GTA and Southern Ontario Thursday With Damaging Winds Possible 📅 Thursday, July 9, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/7/9/thunderstorm - Brennen09 Jul 2026 05:32 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mq6vtd7w5k2khttps://bsky.app/profile/instantweather.bsky.social/post/3mpnhtjzhuc26#ONStorm #ONwx ⚠️💨 Another Round of Damaging Storms Could Hit Southern Ontario Thursday With Tornado Risk Increasing 📅 Thursday, July 2, 2026 ⤵️ VIEW THE PRELIMINARY FORECAST: https://instantweatherinc.com/article/ontario/2026/7/2/thunderstorm - Brennen02 Jul 2026 07:06 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mpnhtjzhuc26https://bsky.app/profile/instantweather.bsky.social/post/3mpm2raaqxs2o#ONStorm #ONwx 🇨🇦⚡️ Strong Severe Storm Risk Threatens Canada Day Across Southern Ontario, Damaging Winds and Isolated Tornadoes Possible 📅 Wednesday, July 1, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/7/1/thunderstorm - Brennen01 Jul 2026 17:40 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mpm2raaqxs2ohttps://bsky.app/profile/instantweather.bsky.social/post/3mp52xfmb6k2f#ONStorm #ONwx 🔴 LIVE | 🌪️ Tornado Risk: Ontario Severe Weather Coverage (Thu, Jun. 25, 2026) Join Adam and the Instant Weather team on YouTube NOW for minute by minute storm coverage: https://youtube.com/live/6XdfXNSTh7A25 Jun 2026 18:33 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mp52xfmb6k2fhttps://bsky.app/profile/instantweather.bsky.social/post/3mp3pqas6xk2n#ONStorm #ONwx ⚠️🌪️ Southern Ontario Faces Severe Storm and Tornado Risk Thursday Ahead of Possible Canada Day Heatwave 📅 Thursday, June 25, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/6/25/thunderstorm - Brennen25 Jun 2026 05:40 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mp3pqas6xk2nhttps://bsky.app/profile/instantweather.bsky.social/post/3moj637ldj22t#ONStorm #ONwx 🌙🌪️ Powerful June Storm System Could Bring Damaging Winds and Isolated Tornadoes to Southern Ontario Overnight 📅 Wednesday, June 17 - Thursday, June 18, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/6/17 - Brennen17 Jun 2026 20:36 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3moj637ldj22thttps://bsky.app/profile/instantweather.bsky.social/post/3mm7ywabcrk2n#ONStorm #ONwx 💨🌪️ Tornado Tuesday Could Bring Damaging Storms to Southern Ontario With Strong Severe Threat 📅 Tuesday, May 19, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/5/19/thunderstorm - Brennen19 May 2026 18:19 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mm7ywabcrk2nhttps://bsky.app/profile/instantweather.bsky.social/post/3mm5fhith4c23#ONStorm #ONwx ❗️🌪️ Multi-Day Severe Storm and Tornado Risk Targets Southern Ontario Alongside Summer-Like Heat 📅 Monday, May 18 - Tuesday, May 19, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/5/18/thunderstorm - Brennen18 May 2026 17:25 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mm5fhith4c23https://bsky.app/profile/instantweather.bsky.social/post/3mlzi6fxphc2u#ONStorm #ONwx 🥵 Victoria Day to Bring Early Tease of Summer to Southern Ontario With 30°C Heat and Severe Storm Risk on Monday 📅 Monday, May 18, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/5/16/heat-thunderstorm - Brennen17 May 2026 04:03 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mlzi6fxphc2uhttps://bsky.app/profile/instantweather.bsky.social/post/3ml7obgzazc2s🔴 LIVE TONIGHT AT 8 PM ET: I'll be joined by Dr. David Sills, Director of the Northern Tornadoes Project, to bring clarity to the concerns around Environment Canada’s radar research program. We’ll be discussing... 1/2 #onstorm #ontario06 May 2026 21:43 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3ml7obgzazc2shttps://bsky.app/profile/instantweather.bsky.social/post/3mivqcl4kdk2uWhoever put on their summer tires already; you jinxed it and this is your fault. 🥶 - Adam #onstorm #ontario07 Apr 2026 12:03 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mivqcl4kdk2uhttps://bsky.app/profile/instantweather.bsky.social/post/3miueovlswc2h#ONStorm #ONwx ☃️🤬 Up to 5 to 10 cm of Snow and Wind Chills Near -15°C as ‘Third Winter’ Arrives in Southern Ontario This Week 📅 Monday, April 6 - Tuesday, April 7, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/4/6/snowfall - Brennen06 Apr 2026 23:02 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3miueovlswc2hhttps://bsky.app/profile/instantweather.bsky.social/post/3midjeiajk22j#ONStorm #ONwx 🔔⛈️ Large Hail and Isolated Tornado Risk on Tuesday for Southwestern Ontario and Golden Horseshoe With Widespread Severe Storm Threat 📅 Tuesday, March 31, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/3/31/thunderstorm - Brennen31 Mar 2026 06:11 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3midjeiajk22jhttps://bsky.app/profile/instantweather.bsky.social/post/3mhhetiw3w226#ONStorm #ONwx 🚫 Winter Crashes the First Day of Spring, Snow and Ice to Disrupt Friday Commute in Southern Ontario 🌷 📅 Friday, March 20, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/3/19/winter-weather - Brennen20 Mar 2026 01:35 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mhhetiw3w226https://bsky.app/profile/instantweather.bsky.social/post/3mh7rottkw22m#ONStorm #ONwx 🦁❄️ Winter Roars Back Across Southern Ontario Tuesday With Up to 30 cm of Snow and -20°C Wind Chills 📅 Monday, March 16 - Tuesday, March 17, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/3/16/snowfall - Brennen17 Mar 2026 01:04 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mh7rottkw22mhttps://bsky.app/profile/instantweather.bsky.social/post/3mh2x62fxl22l#ONStorm #ONwx ❄️😳 Up to 100 cm of Snow Possible as Blockbuster Winter Storm Targets Northern Ontario Starting Sunday With Blizzard Conditions and Ice Storm Risk 📅 Sunday, March 15 - Tuesday, March 17, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/3/14/winter-storm - Brennen15 Mar 2026 02:58 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mh2x62fxl22lhttps://bsky.app/profile/instantweather.bsky.social/post/3mgvtns5xkc2w#ONStorm #ONwx ❄️😩 Winter Makes a Comeback Friday with Up to 15cm of Snow Possible Across Southern Ontario 📅 Friday, March 13 - Saturday, March 14, 2026 ⤵️ VIEW THE FULL FORECAST: https://instantweatherinc.com/article/ontario/2026/3/12/snowfall - Brennen13 Mar 2026 02:12 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mgvtns5xkc2whttps://bsky.app/profile/instantweather.bsky.social/post/3mgvkja5zys2p#ONStorm #ONwx 🚌 ‘Snow Day’ Forecast: Blowing Snow Threat Friday May Give Some Southern Ontario Students an Early Start to March Break 📅 Friday, March 13, 2026 ⤵️ VIEW TOMORROW'S FORECAST HERE ⤵️ 🔗 https://instantweatherinc.com/article/ontario/2026/3/12/snow-day - Brennen12 Mar 2026 23:29 +0000at://did:plc:34cs5kikr264ak2fkbftvrwc/app.bsky.feed.post/3mgvkja5zys2p