NWS Chicago Decision Support Briefing

Fresh Snow and Temperature Outlook Ahead of Christmas Day

If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. Read More >

SPC Convective Outlooks

Day 1
Outlook

Text

Categorical Outlook

Tornado Probabilistic Outlook

Hail Probabilistic Outlook

Wind Probabilistic Outlook

Day 2
Outlook

Text

Categorical Outlook

Probabilistic Outlook

Day 3
Outlook

Text

Categorical Outlook

Probabilistic Outlook

Radar and Satellite

Great Lakes Radar Loop

Chicago Radar Loop

Milwaukee

Grand Rapids

Northern Indiana

Indianapolis

Central Illinois

Quad Cities

Upper Midwest Visible Satellite Image (Loop)

Upper Midwest Infrared Satellite Image (Loop)

Central Plains Water Vapor Satellite Image

Upper Midwest Water Vapor Satellite Image (Loop)

US Visible (Loop)

US Infrared (Loop)

US Water Vapor (Loop)

Severe Weather		Winter Weather		Heat		Visibility Restrictions
	Tornado Warning		Blizzard Warning		Excessive Heat Warning		Dense Fog Advisory
	Severe Thunderstorm Warning		Winter Storm Warning		Excessive Heat Watch		Dense Smoke Advisory
	Flash Flood Warning		Ice Storm Warning		Heat Advisory		Dust Storm Warning
	Severe Weather Statement		Wind Chill Warning				Blowing Dust Advisory
	Flash Flood Statement		Blizzard Watch	Wind
	Tornado Watch		Winter Storm Watch		High Wind Warning	Miscellaneous
	Severe Thunderstorm Watch		Wind Chill Watch		High Wind Watch		Special Weather Statement
	Flash Flood Watch		Winter Weather Advisory		Wind Advisory		Hazardous Weather Outlook
			Freezing Rain Advisory				Air Quality Alert
River Flooding			Wind Chill Advisory	Fire Weather
	Flood Warning		Freezing Fog Advisory		Red Flag Warning	Administrative
	Flood Statement				Fire Weather Watch		911 Telephone Outage
	Flood Watch		Freeze Warning				Child Abduction Emergency
	Hydrologic Outlook		Freeze Watch				Civil Danger Warning
			Frost Advisory				Civil Emergency Message

Fresh Snow and Temperature Outlook Ahead of Christmas Day

Hazards Planning

Latest Watches and Warnings

Latest Weather Story and Graphicast