Hourly Weather Forecast - Thunder Bay, Ontario, CA

12 AM
20°F
40%
7mph
N
40% Chance of Flurries
Humidity
88%
Feels like
11°F
Dew Point
17°F
1 AM
20°F
40%
7mph
N
40% Chance of Flurries
Humidity
87%
Feels like
11°F
Dew Point
17°F
2 AM
20°F
40%
8mph
N
40% Chance of Flurries
Humidity
85%
Feels like
11°F
Dew Point
16°F
3 AM
20°F
40%
8mph
N
40% Chance of Flurries
Humidity
83%
Feels like
10°F
Dew Point
15°F
4 AM
19°F
40%
8mph
N
40% Chance of Flurries
Humidity
83%
Feels like
9°F
Dew Point
15°F
5 AM
18°F
30%
8mph
NNW
30% Chance of Flurries
Humidity
84%
Feels like
8°F
Dew Point
14°F
6 AM
16°F
30%
8mph
NNW
30% Chance of Flurries
Humidity
87%
Feels like
6°F
Dew Point
13°F
7 AM
14°F
20%
7mph
NNW
Mostly Cloudy
Humidity
90%
Feels like
4°F
Dew Point
12°F
8 AM
13°F
10%
7mph
NNW
Mostly Cloudy
Humidity
95%
Feels like
2°F
Dew Point
12°F
8:47 AM
9 AM
13°F
10%
7mph
NNW
Mostly Cloudy
Humidity
92%
Feels like
3°F
Dew Point
11°F
10 AM
15°F
10%
6mph
NNW
Mostly Cloudy
Humidity
89%
Feels like
5°F
Dew Point
12°F
11 AM
18°F
10%
6mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
13°F
12 PM
21°F
20%
6mph
NNW
Partly Cloudy
Humidity
74%
Feels like
13°F
Dew Point
14°F
1 PM
23°F
20%
6mph
NNW
Partly Cloudy
Humidity
67%
Feels like
16°F
Dew Point
14°F
2 PM
24°F
30%
6mph
N
30% Chance Snow Showers
Humidity
63%
Feels like
17°F
Dew Point
14°F
3 PM
24°F
30%
6mph
N
30% Chance Snow Showers
Humidity
61%
Feels like
17°F
Dew Point
13°F
4 PM
22°F
30%
6mph
N
30% Chance Snow Showers
Humidity
63%
Feels like
15°F
Dew Point
12°F
5 PM
20°F
20%
5mph
NNE
Partly Cloudy
Humidity
67%
Feels like
13°F
Dew Point
11°F
5:07 PM
6 PM
19°F
20%
5mph
NNE
Mostly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
11°F
7 PM
19°F
20%
5mph
NE
Cloudy
Humidity
72%
Feels like
11°F
Dew Point
11°F
8 PM
19°F
30%
5mph
ENE
30% Chance of Flurries
Humidity
75%
Feels like
12°F
Dew Point
13°F
9 PM
19°F
30%
5mph
ENE
30% Chance of Flurries
Humidity
77%
Feels like
12°F
Dew Point
13°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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