Detroit/Pontiac, MI

Weather Forecast Office

Detroit Heat

Wet Bulb Globe (Heat Stress) Forecasts
City of Detroit Obs and Forecasts
Latest Hazards
Long Term Heat Forecasts
Additional Resources

5 Day Forecast of Wet Bulb (Heat Stress) Temperature For Metro Michigan

UPDATES ARE BEING MADE FOR 2025...THIS PAGE MAY OCCASIONALLY CHANGE THROUGH MAY 15, 2025 Hover over thumbnails below to scroll through images or click each image to view a larger image.

Day 1 Max WBGT

>=0.1"

Day 2 Max WBGT

>=1"

Day 3 Max WBGT

>=2"

Day 4 Max WBGT

>=4"

Day 5 Max WBGT

>=6"

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Current City of Detroit Observation (Updated Hourly)

Latest 48 Hour Forecast For The City of Detroit

for a more detailed forecast click here

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Hazards

This section highlights additional weather hazards that may lead to widespread power outages, further increasing the impacts of heat-related stress illnesses.

Additional weather information (including if heat headlines are in effect) can be found via the latest Weather Story Hover over thumbnails below to scroll through images or click each image to view a larger image.

Today's Severe Weather Risk

>=0.1"

Tomorrow's Severe Weather Risk

>=1"

Day 3 Severe Weather Risk

>=2"

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Long Range Heat Forecasts - Temperature Outlooks

Experimental Probabilistic Heat Index Guidance Days 5-7

Hover over thumbnails below to scroll through images or click each image to view a larger image.

Day 5 Chance of Heat Index Values of at Least 95 F

>=0.1"

Day 6 Chance of Heat Index Values of at Least 95 F

>=1"

Day 5 Chance of Heat Index Values of at Least 100 F

>=2"

Day 6 Chance of Heat Index Values of at Least 100 F

>=4"

Day 7 Potential Max Heat Index Values

>=6"

Additional probabilistic heat index guidance can be found here

Climate Prediction Center Guidance

(NOTE: the guidance below is meant for planning purposes only)

Hover over thumbnails below to scroll through images or click each image to view a larger image.

Next Week's Risk of Hazardous Temperatures Days

>=0.1"

Weeks 3-4 Temperature Outlook

>=1"

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Heat.gov Portal

Heat.gov is the web portal for the National Integrated Heat Health Information System (NIHHIS)

Heat.gov Information (click here)

Week-2 Global Probabilistic Extremes Forecast Tool (click here)

Info on Urban Heat Islands (click here)

Additional Resources

Experimental NWS HeatRisk

The NWS HeatRisk is an experimental color-numeric-based index that provides a forecast risk of heat-related impacts to occur over a 24-hour period.

For more information, (click here)

Heat Definitions

Heat Wave: At least 3 consecutive days with high temperatures of at least 90 degrees.

Heat Index: An estimate of how it feels when air temperature and humidity are combined.

Heat Advisory: Issued when the heat index is forecast to approach or reach 100 degrees F for 3 hours or more. Color coding is llll

Excessive Heat Warning: Issued when the heat index is forecast to approach or exceed 105 degrees F for 3 hours or more. Color coding is llll

NOTE: Often times, NWS Detroit will be more willing to consider heat headlines as other heat stress indicators are taken into consideration.

Heat Heat Safety (click here)

Red Cross Information (click here)

Frequently Asked Questions About Extreme Heat (click here)

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Detroit Heat

Global Wet Bulb (Heat Stress) Temperature Forecasts

Current City of Detroit Observation (Updated Hourly)