Hourly Forecast - Holland Centre
SPECIAL WEATHER STATEMENT
Rain, at times heavy. What: Rain. Additional rainfall amounts of 20 to 40 mm. Timing: Continuing through Friday. Additional information: Rain associated with a slow moving low pressure system will continue to the affect the region into Friday. Rainfall amounts of 15 to 40 mm have been reported over some areas. Localized flooding in low-lying areas is possible. 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. 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.
- Owen Sound - Blue Mountains - Northern Grey County
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) |
|---|---|---|---|---|---|
| 23 May 2025 | |||||
| 00:00 | 8 |  Periods of rain | 80 | * | NW 20 |
| 01:00 | 8 | Periods of rain | 80 | * | NW 20 |
| 02:00 | 8 | Periods of rain | 80 | * | NW 15 |
| 03:00 | 8 | Periods of rain | 80 | * | NW 15 |
| 04:00 | 7 | Periods of rain | 80 | * | NW 15 |
| 05:00 | 7 | Periods of rain | 80 | * | NW 15 |
| 06:00 | 7 | Periods of rain | 80 | * | NW 15 |
| 07:00 | 7 | Periods of rain | 80 | * | NW 15 |
| 08:00 | 7 | Periods of rain | 80 | 1 | NW 15 |
| 09:00 | 8 | Periods of rain | 80 | 1 | NW 15 |
| 10:00 | 8 | Periods of rain | 80 | 1 | NW 15 |
| 11:00 | 9 | Periods of rain | 80 | 2 | W 15 |
| 12:00 | 9 | Periods of rain | 80 | 2 | W 15 |
| 13:00 | 9 | Periods of rain | 80 | 2 | W 15 |
| 14:00 | 9 | Periods of rain | 80 | 2 | NW 15 |
| 15:00 | 9 | Periods of rain | 80 | 1 | NW 15 |
| 16:00 | 10 | Periods of rain | 80 | 1 | NW 15 |
| 17:00 | 10 | Periods of rain | 80 | * | NW 10 |
| 18:00 | 10 | A few showers | 80 | * | NW 10 |
| 19:00 | 10 | A few showers | 80 | * | NW 10 |
| 20:00 | 9 | A few showers | 80 | * | NW 10 |
| 21:00 | 9 | A few showers | 80 | * | NW 10 |
| 22:00 | 8 | A few showers | 80 | * | NW 10 |
| 23:00 | 8 | A few showers | 80 | * | NW 10 |
* Value not significant
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