Hourly Weather Forecast - Thunder Bay, Ontario, CA

12 AM
6°F
0%
4mph
NW
Clear
Humidity
80%
Feels like
-1°F
Dew Point
2°F
1 AM
6°F
0%
4mph
NW
Clear
Humidity
81%
Feels like
-2°F
Dew Point
1°F
2 AM
5°F
0%
3mph
NW
Mostly Clear
Humidity
81%
Feels like
5°F
Dew Point
1°F
3 AM
6°F
0%
2mph
WNW
Partly Cloudy
Humidity
80%
Feels like
6°F
Dew Point
1°F
4 AM
6°F
0%
2mph
W
Partly Cloudy
Humidity
80%
Feels like
6°F
Dew Point
1°F
5 AM
8°F
0%
2mph
WSW
Partly Cloudy
Humidity
79%
Feels like
8°F
Dew Point
2°F
6 AM
9°F
10%
2mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
4°F
7 AM
10°F
20%
3mph
S
Cloudy
Humidity
83%
Feels like
10°F
Dew Point
6°F
8 AM
12°F
30%
3mph
S
30% Chance of Flurries
Humidity
84%
Feels like
12°F
Dew Point
8°F
8:47 AM
9 AM
15°F
40%
3mph
S
40% Chance of Flurries
Humidity
84%
Feels like
10°F
Dew Point
11°F
10 AM
18°F
40%
3mph
S
40% Chance of Flurries
Humidity
85%
Feels like
13°F
Dew Point
14°F
11 AM
21°F
30%
4mph
S
30% Chance of Flurries
Humidity
83%
Feels like
16°F
Dew Point
17°F
12 PM
24°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
81%
Feels like
18°F
Dew Point
19°F
1 PM
26°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
80%
Feels like
20°F
Dew Point
20°F
2 PM
27°F
30%
4mph
SSW
30% Chance of Flurries
Humidity
78%
Feels like
22°F
Dew Point
21°F
3 PM
27°F
30%
3mph
SW
30% Chance Snow Showers
Humidity
78%
Feels like
23°F
Dew Point
21°F
4 PM
27°F
30%
3mph
WSW
30% Chance Frozen Mix
Humidity
79%
Feels like
23°F
Dew Point
21°F
5 PM
26°F
30%
3mph
W
30% Chance Frozen Mix
Humidity
82%
Feels like
22°F
Dew Point
21°F
5:06 PM
6 PM
25°F
20%
3mph
WNW
Partly Cloudy
Humidity
83%
Feels like
20°F
Dew Point
20°F
7 PM
24°F
20%
4mph
NNW
Partly Cloudy
Humidity
85%
Feels like
19°F
Dew Point
20°F
8 PM
22°F
10%
4mph
NNW
Partly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
19°F
9 PM
21°F
0%
4mph
NNW
Mostly Clear
Humidity
87%
Feels like
15°F
Dew Point
18°F
10 PM
20°F
10%
4mph
NNW
Clear
Humidity
88%
Feels like
13°F
Dew Point
17°F
11 PM
18°F
10%
5mph
NNW
Clear
Humidity
86%
Feels like
11°F
Dew Point
15°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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