Hourly Weather Forecast - Saint Helena, CA

12 AM
54°F
0%
4mph
N
Clear
Humidity
65%
Feels like
54°F
Dew Point
42°F
1 AM
52°F
0%
4mph
N
Mostly Clear
Humidity
66%
Feels like
52°F
Dew Point
42°F
2 AM
51°F
0%
4mph
N
Mostly Clear
Humidity
67%
Feels like
51°F
Dew Point
41°F
3 AM
50°F
0%
4mph
N
Mostly Clear
Humidity
69%
Feels like
50°F
Dew Point
40°F
4 AM
49°F
0%
4mph
N
Mostly Clear
Humidity
69%
Feels like
48°F
Dew Point
40°F
5 AM
49°F
0%
4mph
N
Mostly Clear
Humidity
69%
Feels like
47°F
Dew Point
39°F
6 AM
49°F
0%
4mph
N
Mostly Clear
Humidity
67%
Feels like
47°F
Dew Point
38°F
6:33 AM
7 AM
51°F
0%
4mph
N
Mostly Sunny
Humidity
63%
Feels like
51°F
Dew Point
39°F
8 AM
56°F
0%
4mph
N
Mostly Sunny
Humidity
61%
Feels like
56°F
Dew Point
42°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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