Hourly Forecast - Columbus
2 WEATHER ALERTS
RAINFALL WARNING
Rain, heavy at times is expected. The ground, already near saturation, has little ability to absorb further rainfall. What: Rain, at times heavy. Total rainfall amounts of 20 to 40 mm. Locally higher amounts are possible if thunderstorms repeatedly impact the same area. When: This evening through Thursday morning. Additional information: Rain will advance northeastward this evening. With thunderstorms expected, rainfall amounts may exceed 50 mm over some areas. Rain will end from west to east Thursday morning. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details. Localized flooding in low-lying areas is possible. Heavy downpours can cause flash floods and water pooling on roads. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
- Pickering - Oshawa - Southern Durham Region
Regional ATOMFREEZING RAIN WARNING
Freezing rain today. What: Freezing rain with ice accretion of 2 to 4 mm on some surfaces. When: Through this evening. Additional information: This freezing rain event will not be nearly as significant as the ice storm from this past weekend. Freezing rain has begun for areas east of Lake Huron and will reach eastern Ontario later this afternoon. Precipitation may begin as snow and ice pellets for some areas. Easterly winds gusting 50 to 60 km/h may exacerbate any tree damage. As temperatures rise above the freezing mark, freezing rain will transition to rain this afternoon near Lake Huron and this evening over eastern Ontario. For locations over higher terrain, freezing rain may also linger into the evening. Surfaces such as highways, roads, walkways and parking lots may become icy and slippery. Take extra care when walking or driving in affected areas. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
- Pickering - Oshawa - Southern Durham Region
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) |
|---|---|---|---|---|---|
| 2 April 2025 | |||||
| 16:00 | 1 |  Freezing rain | 100 | * | E 30 gusts 60 |
| 17:00 | 1 | Freezing rain | 100 | * | E 30 gusts 60 |
| 18:00 | 1 |  Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 19:00 | 1 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 20:00 | 1 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 21:00 | 1 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 22:00 | 2 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 23:00 | 2 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 3 April 2025 | |||||
| 00:00 | 3 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 01:00 | 3 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 02:00 | 4 | Showers. Risk of thunderstorms | 100 | * | SE 30 gusts 50 |
| 03:00 | 5 | Showers. Risk of thunderstorms | 100 | * | S 30 gusts 50 |
| 04:00 | 7 |  Showers | 100 | * | S 30 gusts 50 |
| 05:00 | 8 | Showers | 100 | * | S 30 gusts 50 |
| 06:00 | 9 | A few showers | 80 | * | S 30 gusts 50 |
| 07:00 | 11 | A few showers | 80 | * | S 30 gusts 50 |
| 08:00 | 12 | A few showers | 80 | * | S 30 gusts 50 |
| 09:00 | 14 | A few showers | 80 | 1 | SW 30 gusts 50 |
| 10:00 | 16 | A few showers | 80 | 2 | SW 30 gusts 50 |
| 11:00 | 18 |  Mainly cloudy | 20 | 5 | SW 30 gusts 50 |
| 12:00 | 18 | Mainly cloudy | 20 | 5 | SW 30 gusts 50 |
| 13:00 | 18 | Mainly cloudy | 20 | 5 | SW 30 gusts 50 |
| 14:00 | 18 |  A mix of sun and cloud | 10 | 5 | SW 30 gusts 50 |
| 15:00 | 17 | A mix of sun and cloud | 10 | 3 | SW 30 gusts 50 |
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