Risk Overview

Alabama
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California
Colorado
Connecticut
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District of Columbia
Fed States of Micronesia
Florida
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Guam
Hawaii
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Indiana
Iowa
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Marshall Islands
Maryland
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Michigan
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New Jersey
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Northern Mariana Islands
Ohio
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Palau
Pennsylvania
Puerto Rico
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Virgin Islands
Washington
West Virginia
Wisconsin
Wyoming
All Counties
Alameda, CA
Alpine, CA
Amador, CA
Butte, CA
Calaveras, CA
Colusa, CA
Contra Costa, CA
Del Norte, CA
El Dorado, CA
Fresno, CA
Glenn, CA
Humboldt, CA
Imperial, CA
Inyo, CA
Kern, CA
Kings, CA
Lake, CA
Lassen, CA
Los Angeles, CA
Madera, CA
Marin, CA
Mariposa, CA
Mendocino, CA
Merced, CA
Modoc, CA
Mono, CA
Monterey, CA
Napa, CA
Nevada, CA
Orange, CA
Placer, CA
Plumas, CA
Riverside, CA
Sacramento, CA
San Benito, CA
San Bernardino, CA
San Diego, CA
San Francisco, CA
San Joaquin, CA
San Luis Obispo, CA
San Mateo, CA
Santa Barbara, CA
Santa Clara, CA
Santa Cruz, CA
Shasta, CA
Sierra, CA
Siskiyou, CA
Solano, CA
Sonoma, CA
Stanislaus, CA
Sutter, CA
Tehama, CA
Trinity, CA
Tulare, CA
Tuolumne, CA
Ventura, CA
Yolo, CA
Yuba, CA

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

risk level
7.5 out of 10
7.5 out of 10
7.5 out of 10
7.5 out of 10
2.5 out of 10
2.5 out of 10
2.5 out of 10
table legend
No risk
Low risk
High risk

Risk Factors

The graphic shows the weather factors that have some risk for the next 7 days. Click on the colored boxes to see what the risk factors is based on and what impact it may have.

Extreme Heat Risk
Fog Risk
Fog Risk: risk level 0
Fog Risk: risk level 0
Wind Risk
Wind Risk: risk level 0
High Surf Risk
High Surf Risk: risk level 0
High Surf Risk: risk level 0
High Surf Risk: risk level 0
Fire Weather Risk
Fire Weather Risk: risk level 0
Fire Weather Risk: risk level 0
Fire Weather Risk: risk level 0
Fire Weather Risk: risk level 0
Fire Weather Risk: risk level 0
Fire Weather Risk: risk level 0
Excessive Rainfall Risk
Excessive Rainfall Risk: risk level 0
Excessive Rainfall Risk: risk level 0
Excessive Rainfall Risk: risk level 0
Excessive Rainfall Risk: risk level 0

No impact in 8 other categories: Tornado Risk, Severe Thunderstorm Risk, Hail Risk, Rip Current Risk, Extreme Cold Risk, Thunderstorm Wind Risk, Lightning Risk, Marine Hazard Risk

Thursday: Extreme Heat Risk

3: Significant

Heat exhaustion or heat stroke likely with prolonged exposure.

Determining Risk

We base this risk on local weather office temperature and/or heat index forecasts.

Risk Map

Risk Levels

Extreme Heat Risk
risk level name risk level description
1:Limited
Heat exhaustion possible with prolonged exposure.
2:Elevated
Heat exhaustion likely with prolonged exposure. Heat stroke possible.
3:Significant
Heat exhaustion or heat stroke likely with prolonged exposure.
4:Extreme
Dangerously hot conditions could quickly result in heat exhaustion or heat stroke.

Friday: Fog Risk

3: Significant

Fog with visibilities less than or equal to 1/4 mile.

Determining Risk

We base this risk on local weather office fog and visibility forecasts.

Risk Map

Risk Levels

Fog Risk
risk level name risk level description
1:Limited
Fog with visibilities less than or equal to 1 mile.
2:Elevated
Fog with visibilities less than or equal to 1/2 mile.
3:Significant
Fog with visibilities less than or equal to 1/4 mile.
4:Extreme
Fog with near zero visibilities.

Thursday: Wind Risk

1: Limited

Breezy conditions could blow around unsecured items and result in hazardous driving conditions for high-profile vehicles.

Determining Risk

We base this risk on local weather office wind speed/gust forecasts.

Risk Map

Risk Levels

Wind Risk
risk level name risk level description
1:Limited
Breezy conditions could blow around unsecured items and result in hazardous driving conditions for high-profile vehicles.
2:Elevated
Windy conditions could damage outdoor items and result in hazardous driving conditions for high-profile vehicles.
3:Significant
Very windy conditions may down trees and power lines, causing property damage or power outages. Cross winds can make driving difficult, especially for drivers of high profile vehicles and vehicles towing trailers.
4:Extreme
Extremely windy conditions will cause localized property damage, down numerous trees and cause widespread power outages.

Thursday: High Surf Risk

1: Limited

Breaking waves can wash people off beaches and rocks.

Determining Risk

We base this risk on local weather office surf height forecasts.

Risk Map

Risk Levels

High Surf Risk
risk level name risk level description
1:Limited
Breaking waves can wash people off beaches and rocks.
2:Elevated
There is an increased risk for ocean drowning. Breaking waves can wash people off beaches and rocks, and capsize small boats near shore.
3:Significant
There is an significant risk for ocean drowning. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore.
4:Extreme
Powerful waves and currents will pose an exceptional risk of ocean drowning and damage to coastal structures like piers and other jetties. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore.

Friday: Fire Weather Risk

1: Limited

If fire ignition occurs, conditions are possible for elevated fire behavior.

Determining Risk

We base this risk on local weather office forecasts of combined relative humidity, winds, and wind gusts.

Risk Map

Risk Levels

Fire Weather Risk
risk level name risk level description
1:Limited
If fire ignition occurs, conditions are possible for elevated fire behavior.
2:Elevated
If fire ignition occurs, conditions are favorable for elevated fire behavior.
3:Significant
If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.
4:Extreme
If fire ignition occurs, conditions will be favorable for very rapid fire spread, long range spotting, and very extreme fire behavior which would threaten life and property. The strong winds could also down trees and power lines.

Thursday: Excessive Rainfall Risk

1: Limited

Isolated flash floods possible. Most flooding will be localized to areas that can experience rapid runoff with heavy rainfall.

Determining Risk

We base this risk on the excessive rainfall outlook from the Weather Prediction Center. You can learn more about excessive rainfall on their website.

Risk Map

Risk Levels

Excessive Rainfall Risk
risk level name risk level description
1:Limited
Isolated flash floods possible. Most flooding will be localized to areas that can experience rapid runoff with heavy rainfall.
2:Elevated
Scattered flash floods possible, some potentially significant. Most vulnerable are urban areas, roads, small streams, and washes.
3:Significant
Numerous flash floods including some significant events likely. Many streams may flood, affecting nearby residential and urban areas.
4:Extreme
Widespread, severe flash floods expected. Events could occur in areas that don't normally flood. Lives and property in greater danger.

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