Hourly Forecast - Armstrong (Thunder Bay)
SNOWFALL WARNING
Snowfall with total amounts of 15 to 20 cm is expected. What: Snow, at times heavy. Total snowfall amounts of 15 to 20 cm. Peak snowfall rates of 2 to 4 cm per hour. Reduced visibility in heavy snow and local blowing snow. When: Wednesday morning through Thursday morning. Additional information: Snow will begin for locations near the international border Wednesday morning before reaching Lake Nipigon and areas north of Lake Superior Wednesday afternoon. Easterly winds gusting to 50 km/h will result in local blowing snow. Winds are expected to ease Wednesday night. Snow will taper to flurries from west to east through Thursday morning. Surfaces such as highways, roads, walkways and parking lots may become difficult to navigate due to accumulating snow. Be prepared to adjust your driving with changing road conditions. If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop. 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.
- Armstrong - Auden - Wabakimi Park
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) | Wind Chill |
|---|---|---|---|---|---|---|
| 1 April 2025 | ||||||
| 14:00 | -6 |  Sunny | 0 | 3 | SE 10 | -10 |
| 15:00 | -5 | Sunny | 0 | 2 | SE 10 | -9 |
| 16:00 | -3 | Sunny | 0 | 2 | SE 10 | -7 |
| 17:00 | -2 | Sunny | 0 | 1 | E 10 | -6 |
| 18:00 | -3 | Sunny | 0 | * | E 10 | -7 |
| 19:00 | -5 | Sunny | 0 | * | E 10 | -9 |
| 20:00 | -6 |  Clear | 0 | * | E 10 | -10 |
| 21:00 | -7 | Clear | 0 | * | E 10 | -12 |
| 22:00 | -9 | Clear | 0 | * | E 10 | -14 |
| 23:00 | -10 | Clear | 0 | * | SE 10 | -15 |
| 2 April 2025 | ||||||
| 00:00 | -11 | Clear | 20 | * | SE 10 | -16 |
| 01:00 | -12 |  A few clouds | 20 | * | SE 10 | -18 |
| 02:00 | -13 | A few clouds | 20 | * | SE 10 | -19 |
| 03:00 | -12 |  Partly cloudy | 20 | * | SE 10 | -18 |
| 04:00 | -11 | Partly cloudy | 20 | * | SE 10 | -16 |
| 05:00 | -10 | Partly cloudy | 20 | * | SE 10 | -15 |
| 06:00 | -9 |  Chance of flurries | 30 | * | SE 10 | -14 |
| 07:00 | -8 |  Chance of flurries | 30 | * | SE 10 | -13 |
| 08:00 | -7 | Chance of flurries | 30 | * | SE 20 gusts 40 | -14 |
| 09:00 | -6 | Chance of flurries | 30 | 1 | SE 20 gusts 40 | -12 |
| 10:00 | -4 | Chance of flurries | 30 | 2 | SE 20 gusts 40 | -11 |
| 11:00 | -3 | Chance of flurries | 30 | 3 | SE 20 gusts 40 | -9 |
| 12:00 | -2 | Chance of flurries | 30 | 3 | SE 20 gusts 40 | -8 |
| 13:00 | -2 | Chance of flurries | 30 | 3 | SE 20 gusts 40 | -7 |
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