Hourly Weather Forecast - Karuizawa, Chubu, JP

12 AM
23°F
10%
6mph
W
Clear
Humidity
73%
Feels like
16°F
Dew Point
16°F
1 AM
22°F
10%
5mph
W
Clear
Humidity
75%
Feels like
15°F
Dew Point
16°F
2 AM
22°F
10%
5mph
W
Clear
Humidity
77%
Feels like
15°F
Dew Point
16°F
3 AM
21°F
10%
5mph
W
Clear
Humidity
79%
Feels like
14°F
Dew Point
16°F
4 AM
21°F
10%
5mph
W
Partly Cloudy
Humidity
80%
Feels like
14°F
Dew Point
16°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide