Hourly Weather Forecast - Thunder Bay, Ontario, CA

1 AM
3°F
0%
13mph
WNW
Mostly Clear
Humidity
66%
Feels like
-14°F
Dew Point
-6°F
2 AM
3°F
0%
13mph
WNW
Partly Cloudy
Humidity
65%
Feels like
-14°F
Dew Point
-6°F
3 AM
2°F
0%
11mph
WNW
Partly Cloudy
Humidity
67%
Feels like
-14°F
Dew Point
-6°F
4 AM
1°F
0%
11mph
WNW
Partly Cloudy
Humidity
69%
Feels like
-15°F
Dew Point
-7°F
5 AM
0°F
0%
9mph
WNW
Mostly Clear
Humidity
69%
Feels like
-15°F
Dew Point
-7°F
6 AM
-1°F
0%
8mph
WNW
Very Cold
Humidity
71%
Feels like
-15°F
Dew Point
-8°F
7 AM
-2°F
0%
7mph
WNW
Very Cold
Humidity
71%
Feels like
-15°F
Dew Point
-9°F
8 AM
-2°F
0%
6mph
WNW
Very Cold
Humidity
71%
Feels like
-15°F
Dew Point
-9°F
8:45 AM
9 AM
-2°F
0%
6mph
WNW
Very Cold
Humidity
70%
Feels like
-15°F
Dew Point
-9°F
10 AM
0°F
0%
6mph
W
Partly Cloudy
Humidity
69%
Feels like
-12°F
Dew Point
-8°F
11 AM
2°F
0%
6mph
W
Partly Cloudy
Humidity
67%
Feels like
-10°F
Dew Point
-7°F
12 PM
4°F
0%
6mph
W
Partly Cloudy
Humidity
64%
Feels like
-7°F
Dew Point
-5°F
1 PM
6°F
10%
6mph
W
Partly Cloudy
Humidity
62%
Feels like
-4°F
Dew Point
-4°F
2 PM
8°F
10%
5mph
W
Partly Cloudy
Humidity
60%
Feels like
-2°F
Dew Point
-3°F
3 PM
9°F
10%
5mph
W
Partly Cloudy
Humidity
60%
Feels like
0°F
Dew Point
-2°F
4 PM
9°F
10%
4mph
W
Partly Cloudy
Humidity
63%
Feels like
1°F
Dew Point
-1°F
5 PM
8°F
10%
4mph
W
Cloudy
Humidity
65%
Feels like
1°F
Dew Point
-1°F
5:04 PM
6 PM
8°F
10%
4mph
WNW
Cloudy
Humidity
68%
Feels like
1°F
Dew Point
0°F
7 PM
8°F
10%
4mph
WNW
Cloudy
Humidity
70%
Feels like
1°F
Dew Point
0°F
8 PM
8°F
10%
4mph
NW
Cloudy
Humidity
73%
Feels like
2°F
Dew Point
2°F
9 PM
9°F
0%
4mph
NW
Mostly Cloudy
Humidity
75%
Feels like
1°F
Dew Point
2°F
10 PM
9°F
0%
4mph
NW
Mostly Cloudy
Humidity
76%
Feels like
1°F
Dew Point
3°F
11 PM
8°F
0%
4mph
NW
Partly Cloudy
Humidity
76%
Feels like
1°F
Dew Point
2°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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