08:00 Oct 27 2026 YELLOW ADVISORY - FROST - ENDED for Southern Ontario Expires: 09:00 Oct 27 2026 Widespread frost is no longer expected. ... Visit https://weather.gc.ca for details
Ontario Weather Alerts
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Ontario Weather Alerts from Environment Canada Data. This is an unofficial convenience service NOT affiliated with ECCC. Please consult ECCC for official alerts weather.gc.ca Updates every 5 minutes Bot By @JayIsPainting.earthskyart.ca
14:58 Oct 26 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 06:58 Oct 27 2026 Frost is expected tonight. Patchy frost is expected to develop tonight into Tuesday morning, particularly for areas along and north of the 407 corrido... Visit https://weather.gc.ca for details
08:21 Oct 26 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 00:21 Oct 27 2026 Frost is expected tonight. Patchy frost is expected to develop tonight into Tuesday morning, particularly for areas along and north of the 407 corrido... Visit https://weather.gc.ca for details
15:05 Oct 25 2026 YELLOW WARNING - WIND - ENDED for Far Northern Ontario Expires: 16:05 Oct 25 2026 Damaging winds are no longer expected. ... Visit https://weather.gc.ca for details
13:43 Oct 25 2026 YELLOW WARNING - WIND - IN EFFECT for Far Northern Ontario Expires: 20:01 Oct 25 2026 Strong wind gusts continue. What: Strong westerly to northwesterly winds gusting up to 90 km/h. When: Diminishing later this afternoon. Additional ... Visit https://weather.gc.ca for details
11:55 Oct 25 2026 SPECIAL WEATHER STATEMENT IN EFFECT for Far Northern Ontario Expires: 20:03 Oct 25 2026 Gusty winds continue. What: Westerly winds gusting 70 to 80 km/h. When: Diminishing later this afternoon. Additional information: A low pressure ... Visit https://weather.gc.ca for details
10:18 Oct 25 2026 YELLOW WARNING - WIND - IN EFFECT for Far Northern Ontario Expires: 20:03 Oct 25 2026 Strong wind gusts continue. What: Strong westerly to northwesterly winds gusting up to 100 km/h. When: Diminishing later this afternoon. Additional... Visit https://weather.gc.ca for details
15:21 Oct 24 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 07:21 Oct 25 2026 Patchy frost is expected early Sunday morning, particularly for inland areas. ... Visit https://weather.gc.ca for details
09:19 Oct 24 2026 SPECIAL WEATHER STATEMENT IN EFFECT for Far Northern Ontario Expires: 01:19 Oct 25 2026 Gusty winds are expected. What: Westerly winds gusting 70 to 80 km/h. When: Late this afternoon through Sunday. Additional information: A low pre... Visit https://weather.gc.ca for details
15:01 Oct 23 2026 SPECIAL WEATHER STATEMENT IN EFFECT for Far Northern Ontario Expires: 07:01 Oct 24 2026 Gusty winds this weekend. What: Westerly winds gusting 70 to 90 km/h. When: Saturday afternoon to Sunday. Additional information: A low pressure ... Visit https://weather.gc.ca for details
08:46 Oct 23 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 00:46 Oct 24 2026 Patchy frost is expected tonight, particularly for inland areas. ... Visit https://weather.gc.ca for details
13:41 Oct 22 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 05:41 Oct 23 2026 Patchy frost is possible overnight into Friday morning, particularly for areas well inland from Lake Ontario. ... Visit https://weather.gc.ca for details
12:08 Oct 22 2026 YELLOW ADVISORY - FOG - ENDED for Northern Ontario Expires: 13:08 Oct 22 2026 Poor visibility in fog is no longer expected. ... Visit https://weather.gc.ca for details
11:16 Oct 22 2026 YELLOW ADVISORY - FOG - IN EFFECT for Northern Ontario Expires: 15:00 Oct 22 2026 Near-zero visibility in fog continues over some areas. The fog is expected to lift later this afternoon. ... Visit https://weather.gc.ca for details
10:10 Oct 22 2026 YELLOW ADVISORY - FOG - IN EFFECT for Northern Ontario Expires: 15:00 Oct 22 2026 Near-zero visibility in fog continues over some areas. The fog is expected to lift later this afternoon. ... Visit https://weather.gc.ca for details
13:44 Oct 21 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 05:44 Oct 22 2026 Patchy frost is expected to develop tonight into Thursday morning, mainly for areas away from Lake Erie and Lake Ontario. ... Visit https://weather.gc.ca for details
08:38 Oct 21 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 00:38 Oct 22 2026 Patchy frost is expected to develop tonight into Thursday morning, mainly for areas away from Lake Erie and Lake Ontario. ... Visit https://weather.gc.ca for details
15:01 Oct 20 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 07:01 Oct 21 2026 ... Visit https://weather.gc.ca for details
11:20 Oct 20 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 03:20 Oct 21 2026 Patchy frost is expected tonight, mainly for areas away from Lake Erie. ... Visit https://weather.gc.ca for details
07:06 Oct 20 2026 YELLOW ADVISORY - FROST - ENDED for Southern Ontario Expires: 08:06 Oct 20 2026 Widespread frost is no longer expected. ... Visit https://weather.gc.ca for details
11:45 Oct 19 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 03:45 Oct 20 2026 Patchy frost is expected tonight. Temperatures are expected to fall to near the freezing mark tonight and into Tuesday morning. ... Visit https://weather.gc.ca for details
05:03 Oct 19 2026 YELLOW WARNING - WIND - ENDED for Far Northern Ontario Expires: 06:03 Oct 19 2026 Damaging winds are no longer expected. ... Visit https://weather.gc.ca for details
14:17 Oct 18 2026 YELLOW WARNING - WIND - IN EFFECT for Far Northern Ontario Expires: 00:00 Oct 19 2026 Gusty westerly winds continue. What: Westerly winds gusting 90 to 100 km/h. When: Continuing through this evening. Additional information: Winds wi... Visit https://weather.gc.ca for details
10:23 Oct 18 2026 YELLOW WARNING - WIND - IN EFFECT for Far Northern Ontario Expires: 00:02 Oct 19 2026 Gusty westerly winds expected. What: Westerly winds gusting 90 to 100 km/h. When: This afternoon through early this evening. Additional information... Visit https://weather.gc.ca for details
12:57 Oct 17 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 04:57 Oct 18 2026 Patchy frost is expected tonight. Temperatures are expected to fall to near the freezing mark for areas inland from the Great Lakes. Light to moderate ... Visit https://weather.gc.ca for details
09:16 Oct 17 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 01:16 Oct 18 2026 Patchy frost is expected to return tonight. Temperatures are expected to fall to near the freezing mark tonight. Light to moderate southwesterly winds ... Visit https://weather.gc.ca for details
15:12 Oct 16 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 07:01 Oct 17 2026 Freezing temperatures are expected tonight into Saturday morning. Temperatures are expected to fall to near or slightly below the freezing mark overnig... Visit https://weather.gc.ca for details
08:32 Oct 16 2026 YELLOW ADVISORY - FROST - IN EFFECT for Southern Ontario Expires: 00:32 Oct 17 2026 Freezing temperatures are expected tonight into Saturday morning. Temperatures are expected to fall to near or slightly below the freezing mark overnig... Visit https://weather.gc.ca for details
18:44 Oct 13 2026 SPECIAL WEATHER STATEMENT ENDED for Southern Ontario Expires: 19:44 Oct 13 2026 ... Visit https://weather.gc.ca for details
16:48 Oct 13 2026 SQUALL WATCH ENDED for Canadian portion of the Great Lakes and the Ontario portion of the St. Lawrence River Expires: 17:48 Oct 13 2026 Squalls are no longer expected over the area. ... Visit https://weather.gc.ca for details