Hourly Weather Forecast - Sempronius, NY

12 AM
12°F
60%
7mph
WNW
60% Chance of Heavy Snow
Humidity
74%
Feels like
2°F
Dew Point
6°F
1 AM
12°F
50%
7mph
WNW
50% Chance of Heavy Snow
Humidity
72%
Feels like
1°F
Dew Point
5°F
2 AM
11°F
50%
7mph
WNW
50% Chance of Heavy Snow
Humidity
71%
Feels like
1°F
Dew Point
4°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide