National Weather Service - Sioux Falls, SD -
Experimental Enhanced Hazardous Weather Outlook (EHWO)

The Experimental Enhanced Hazardous Weather Outlook is an experimental product that will be posted to this page for evaluation. We encourage your comments or suggestions for improvements using the electronic survey provided. Your feedback will help us determine product utility, if modifications are needed, and whether the product should become part of our operational suite.
The Experimental Enhanced Hazardous Weather Outlook is a decision support service that supports preparedness and response efforts prior to and during hazardous weather.  This service provides decision makers with convenient access to potential weather hazard information by graphically depicting the risk of weather hazards out through seven days.
Risk Level - Legend
None
Limited
Elevated
Significant
Extreme
Risk - Limited
Risk - Elevated
Risk - Significant
Risk - Excessive
Note: To display hazard maps, click on any of the risk level indicators below.
Risk
Level
Risk
Level
Tornado
Tornado Day 1 Threat
Fog
Fog Risk Day 1
Hail
Hail Day 1 Threat
Non - Thunderstorm Winds
Non-Thunderstorm Wind Risk Day 1
Thunderstorm Wind Gusts
Thunderstorm Wind Gusts Threat Day 1
Excessive Heat
Excessive Heat Risk Day 1
Flash Flooding
Flash Flooding Risk Day 1
Snow and Sleet
Snow and Sleet Risk Day 1
Lightning
Lightning Risk Day 1
Ice Accumulation
Ice Accumulation Risk Day 1
Spotter Outlook
Spotter Outlook Level
Frost and Freeze
Frost and Freeze Risk Day 1
Fire Weather
Fire Weather Risk - Day 1
Excessive Cold
Excessive Cold Risk Day 1
Risk
Level
Severe Thunderstorms
Severe Thunderstorm Risk Day 2
Severe Thunderstorm Risk Day 3
Severe Thunderstorm Risk Day 4
Severe Thunderstorm Risk Day 5
Severe Thunderstorm Risk Day 6
Severe Thunderstorm Risk Day 7
Lightning
Lightning Risk Day 2
Lightning Risk Day 3
Lightning Risk Day 4
Lightning Risk Day 5
Lightning Risk Day 6
Lightning Risk Day 7
Flash Flooding
Flooding Risk Day 2
Flooding Risk Day 3
Flooding Risk Day 4
Flooding Risk Day 5
Flooding Risk Day 6
Flooding Risk Day 7
Fire Weather
Fire Weather Risk - Day 2
Fire Weather Risk - Day 3
Fire Weather Risk - Day 4
Fire Weather Risk - Day 5
Fire Weather Risk - Day 6
Fire Weather Risk - Day 7
Fog
Fog Risk Day 2
Fog Risk Day 3
Fog Risk Day 4
Fog Risk Day 5
Fog Risk Day 6
Fog Risk Day 7
Non - Thunderstorm Winds
Non Thunderstorm Wind Risk Day 2
Non Thunderstorm Winds Risk Day 3
Non Thunderstorm Wind Risk Day 4
Non Thunderstorm Wind Risk Day 5
Non Thunderstorm Wind Risk Day 6
Non Thunderstorm Wind Risk Day 7
Excessive Heat
Excessive Heat Risk Day 2
Excessive Heat Risk Day 3
Excessive Heat Risk Day 4
Excessive Heat Risk Day 5
Excessive Heat Risk Day 6
Excessive Heat Risk Day 7
Snow and Sleet
Snow and Sleet Risk Day 2
Snow and Sleet Risk Day 3
Snow and Sleet Risk Day 4
Snow and Sleet Risk Day 5
Snow and Sleet Risk Day 6
Snow and Sleet Risk Day 7
Ice Accumulation
Ice Accumulation Risk Day 2
Ice Accumulation Risk Day 3
Ice Accumulation Risk Day 4
Ice Accumulation Risk Day 5
Ice Accumulation Risk Day 6
Ice Accumulation Risk Day 7
Frost and Freeze
Frost and Freeze Risk Day 2
Frost and Freeze Risk Day 3
Frost and Freeze Risk Day 4
Frost and Freeze Risk Day 5
Frost and Freeze Risk Day 6
Frost and Freeze Risk Day 7
Excessive Cold
Excessive Cold Risk Day 2
Excessive Cold Risk Day 3
Excessive Cold Risk Day 4
Excessive Cold Risk Day 5
Excessive Cold Risk Day 6
Excessive Cold Risk Day 7
 
National Weather Service - Sioux Falls, SD
Hazardous Weather Outlook Text

000
FLUS43 KFSD 221031
HWOFSD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
431 AM CST MON DEC 22 2014

SDZ038-039-050-052>054-057>060-063-064-231045-
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-
DAVISON-HANSON-CHARLES MIX-DOUGLAS-
431 AM CST MON DEC 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH
DAKOTA.

.DAY ONE...TODAY AND TONIGHT

A BRIEF PERIOD OF MIXED PRECIPITATION WILL BE POSSIBLE DURING THE
MORNING...THEN CHANGING TO RAIN AND SNOW THROUGH THE AFTERNOON. BY
LATE AFTERNOON ANY PRECIPITATION WILL CHANGE TO ALL SNOW AND
CONTINUE THROUGH TONIGHT...WITH 1 TO 2 INCHES OF ACCUMULATION BY
EARLY TUESDAY MORNING. SOME BLOWING SNOW WILL ALSO BE POSSIBLE
LATE TONIGHT AS NORTHWESTERLY WINDS INCREASE TO 15 TO 30 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SNOW WILL CONTINUE INTO TUESDAY AFTERNOON...WITH BLOWING SNOW
POSSIBLE. SNOWFALL TOTALS BY TUESDAY AFTERNOON WILL BE AROUND 3
TO 4 INCHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ040-055-056-061-062-065>071-231045-
LYON IA-OSCEOLA-DICKINSON-SIOUX-O`BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-
NOBLES-JACKSON-PIPESTONE-ROCK-DIXON-DAKOTA-BROOKINGS-LAKE-MOODY-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN SD-BON HOMME-YANKTON-
CLAY SD-UNION-
431 AM CST MON DEC 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA...EAST CENTRAL
SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

LIGHT RAIN WILL GRADUALLY TRANSITION TO SNOW BY THIS EVENING AND
CONTINUE THROUGH TONIGHT...WITH A HALF TO AN INCH OF ACCUMULATION
POSSIBLE BY EARLY TUESDAY MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

LIGHT SNOW WILL CONTINUE THROUGH TUESDAY EVENING. SNOWFALL TOTALS
BY TUESDAY EVENING WILL BE AROUND 2 TO 3 INCHES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

 

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