Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

Operating Plans

2025 Maine Fire Weather Annual Operating Plan

Fire Danger Assessment Information

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National Fire Danger	Maine Fire Danger	SPC Fire Outlook	Keetch-Byram Drought Index
10-hour Fuel Moisture	100-hour Fuel Moisture	1000-hour Fuel Moisture	1-month EDDI Categories
Day 1 SFWR Index (Developmental)	Day 2 SFWR Index (Developmental)	Day 3 SFWR Index (Developmental)
Day 1 Maine SFWR Index (Developmental)	Day 2 Maine SFWR Index (Developmental)	Day 3 Maine SFWR Index (Developmental)

This tool is Developmental and is NOT operationally supported.

Sinko Index Description

Other Maps

Forecast Information for Preparation and Planning

Fire Weather Matrix

Graphical Fire Forecast

National Forecast Maps

Weather Planner

For point forecasts, enter your location in the box at the top left or click your location on the map on our home page.

Narrative Discussions

Area Forecast Discussion —Caribou NWS forecast area
Area Forecast Discussion —Portland NWS forecast area
National Forecast Discussions (national in scope)

Text Forecast Products

Fire Weather Forecast —Caribou NWS forecast area
Fire Weather Forecast —Portland NWS forecast area
Fire Weather Matrix (for WIMS)—Caribou NWS forecast area
Fire Weather Matrix (for WIMS)—Portland NWS forecast area

Current Conditions and Information

Caribou Radar Loop	Current Observations Map	MODIS True Color Imagery	Fire Weather Snooper
MODIS False Color Imagery	Current Satellite Imagery	Current Snow Depth