Risk Overview

Alabama
Alaska
American Samoa
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
District of Columbia
Fed States of Micronesia
Florida
Georgia
Guam
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Marshall Islands
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Northern Mariana Islands
Ohio
Oklahoma
Oregon
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
10 out of 10
10 out of 10
7.5 out of 10
10 out of 10
10 out of 10
10 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.
Frost/Freeze Risk
Wind
Wind: risk level 0
Wind: risk level 0
Wind: risk level 0
Wind: risk level 0
Wind: risk level 0
Winter Storm Risk
Winter Storm Risk: risk level 0
Winter Storm Risk: risk level 0
Winter Storm Risk: risk level 0
Winter Storm Risk: risk level 0
Winter Storm Risk: risk level 0
Fog Risk
Fog Risk: risk level 0
Fog Risk: risk level 0
Fog 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 5 other categories: Lightning Risk, Extreme Cold Risk, Severe Thunderstorm Risk, Tornado Risk, Fire Weather Risk

Friday: Frost/Freeze Risk

3: 3

A moderate freeze could cause significant damage to unprotected vegetation.

Determining Risk

We base this risk on local weather office temperature forecasts and other frost/freeze criteria.

Risk Map

Risk Levels

Frost/Freeze Risk
risk level name risk level description
1:1
Frost could cause minor damage to unprotected vegetation.
2:2
A light freeze could damage unprotected vegetation.
3:3
A moderate freeze could cause significant damage to unprotected vegetation.
4:4
A hard freeze could cause catastrophic damage to unprotected vegetation.

Sunday: Wind

1:

Risk Map

Saturday: Winter Storm Risk

1: 1

Expect a few inconveniences to daily life. Use caution while driving.

Risk Map

Risk Levels

Winter Storm Risk
risk level name risk level description
1:1
Expect a few inconveniences to daily life. Use caution while driving.
2:2
Expect disruptions to daily life, such as hazardous driving conditions. Closures and disruptions to infrastructure may occur.
3:3
Expect considerable disruptions to daily life, such as dangerous driving conditions. Avoid travel if possible. Widespread closures and disruptions to infrastructure may occur.
4:4
Expect substantial disruptions to daily life, such as extremely dangerous driving conditions. Travel is not advised. Extensive closures and disruptions to infrastructure may occur, and life-saving actions may be needed.

Friday: Fog Risk

1: 1

Fog with visibilities less than or equal to 1 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
1:1
Fog with visibilities less than or equal to 1 mile.
2:2
Fog with visibilities less than or equal to 1/2 mile.
3:3
Fog with visibilities less than or equal to 1/4 mile.
4:4
Fog with near zero visibilities.

Sunday: Excessive Rainfall Risk

1: 1

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
1:1
Isolated flash floods possible. Most flooding will be localized to areas that can experience rapid runoff with heavy rainfall.
2:2
Scattered flash floods possible, some potentially significant. Most vulnerable are urban areas, roads, small streams, and washes.
3:3
Numerous flash floods including some significant events likely. Many streams may flood, affecting nearby residential and urban areas.
4:4
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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