Weather Alerts

Jul 3, 2025 at 09:50 The Marathon Detachment of the Ontario Provincial Police (OPP) is advising motorists to be aware of potential traffic delays during their travels today. Slowdowns on Highway 17 east of Marathon and west of White River may periodically delay or interrupt the normal flow of traffic on area highways. The OPP’s objective is to maintain the ...

Jul 2, 2025 at 16:48 The Marathon detachment of the Ontario Provincial Police (OPP) is advising area motorists that traffic on Highway 17 east of Marathon and west of White River has resumed to the normal flow of traffic. Motorists should check in advance for road advisory information on social media and monitor local media for the latest updates. The ...

Jul 1, 2025 at 17:24 (16:55) The Marathon detachment of the Ontario Provincial Police (OPP) is advising area motorists that traffic on Highway 17 east of Marathon and west of White River has resumed to the normal flow of traffic. Motorists should check in advance for road advisory information on social media and monitor local media for the latest updates. ...

Jul 1, 2025 at 14:58 2:52 PM EDT Tuesday 1 July 2025 Severe Thunderstorm Watch in effect for: Chapleau – Missinaibi Lake Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail. Hazards: Wind gusts up to 90 km/h. Nickel to toonie size hail. This afternoon into the evening. ...

Jul 1, 2025 at 06:04 Jul 1, 2025 at 16:01 This warning has ended at 16:01. Jul 1, 2025 at 15:45 3:39 PM EDT Tuesday 1 July 2025 Severe Thunderstorm Warning in effect for: White River – Dubreuilville At 3:39 PM EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts and up to toonie ...

Jun 30, 2025 at 18:04 17:20 – The Marathon detachment of the Ontario Provincial Police (OPP) is advising area motorists that traffic on Highway 17 east of Marathon and west of White River has resumed to the normal flow of traffic. Motorists should check in advance for road advisory information on social media and monitor local media for the latest ...

9:35 PM EDT Saturday 28 June 2025 Fog Advisory in effect for: Wawa – Pukaskwa Park Near zero visibility in fog is expected or occurring. Dense fog has moved in off Lake Superior. The fog is expected to lift Sunday morning. Visibility may be significantly and suddenly reduced to near zero. If visibility is reduced while driving, slow down, watch ...

Jun 24, 2025 at 11:23 The fog advisory has ended at 11:02 a.m. Jun 24, 2025 at 07:27 7:21 AM EDT Tuesday 24 June 2025 This Fog Advisory continues. Near zero visibility in fog is expected or occurring over some areas. Dense fog has moved in off Lake Superior. The fog is expected to lift later this morning. Jun 23, ...

Jun 24, 2025 at 11:23 The fog advisory has ended at 11:02 a.m. Jun 24, 2025 at 07:27 7:21 AM EDT Tuesday 24 June 2025 This Fog Advisory continues. Near zero visibility in fog is expected or occurring over some areas. Dense fog has moved in off Lake Superior. The fog is expected to lift later this morning. Jun 23, ...

Jun 24, 2025 at 7:25 Heat Warning Ended: Searchmont – Montreal River Harbour – Batchawana Bay (Ended at 2:30 a.m.) Sault Ste. Marie – St. Joseph Island (Ended at 2:30 a.m.) Chapleau – Missinaibi Lake (Ended at 2:30 a.m.) Jun 23, 2025 at 19:32 Heat Warning Ended: Wawa – Pukaskwa Park (Ended at 7:06 p.m.) Agawa – Lake Superior Park (Ended ...

(Map from Windy.com showing weather system bringing rain as it passes over Wawa at 7:44 a.m.) Jun 23, 2025 at 06:45 5:10 AM EDT Monday 23 June 2025 Special Weather Statement in effect for: Wawa – Pukaskwa Park White River – Dubreuilville Manitouwadge – Hornepayne (Rainfall Warning, Severe Thunderstorm Watch) Kapuskasing – Hearst – Smooth Rock Falls Timmins – Cochrane ...

Jun 21, 2025 at 15:53 At 3:51 0.m. this Watch ended. Jun 21, 2025 at 15:07 3:02 PM EDT Saturday 21 June 2025 Severe Thunderstorm Warning in effect for: Searchmont – Montreal River Harbour – Batchawana Bay At 3:02 PM EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing nickel to ping pong ball size hail and ...

2:00 PM EDT Saturday 21 June 2025 Heat Warning in effect for: Searchmont – Montreal River Harbour – Batchawana Bay Dangerous heat and humidity beginning Sunday afternoon. The first significant heat event of the season with dangerously hot conditions will begin Sunday afternoon and is expected to end Monday night. What: Daytime highs of 30 to 32 degrees Celsius. Humidex ...

Smoke is causing or expected to cause poor air quality and reduced visibility. Wildfire smoke may remain in place for the next several days for some areas.(area shown in grey on the map at right) As smoke levels increase, health risks increase. Limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events. You may experience mild and common ...

4:24 AM EDT Wednesday 4 June 2025 Smoke is causing or expected to cause poor air quality and reduced visibility. Wildfire smoke may remain in place for the next several days for some areas.(area shown in grey and pink on the map at right) As smoke levels increase, health risks increase. Limit time outdoors. Consider reducing or rescheduling outdoor sports, ...