Areas of Severe Thunderstorms and Excessive Rainfall Through This Weekend

Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >

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Grassland Fire Danger Index

Day 1 Grassland Fire Danger Day 2 Grassland Fire Danger

Map of Watches, Warnings, and Advisories across the area.

Grassland Fire Danger Index Page

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Click links below for more detail on Hazards.
Red Flag Warning	Fire Weather Watch
High Wind Warning	Wind Advisory
Tornado Warning	Tornado Watch
Severe T'Storm Warning	Severe T'Storm Watch
Flash Flood Warning	Flash Flood Watch
Severe Weather Statement	Flash Flood Statement
Excessive Heat Warning	Heat Advisory
Special Weather Statement	Hazardous Weather Outlook

SPC Day 1 Fire Weather Outlook

SPC Day 2 Fire Weather Outlook

Drought Monitor

Relative Humidity

Sustained Wind Speed

Wind Gusts

6-Hour Rainfall

Forecast 3-hourly Relative Humidity
3-hour			12-hour
15-hour			24-hour
27-hour			36-hour
39-hour			48-hour

Forecast 3-Hourly Wind Speed
3-hour			12-hour
15-hour			24-hour
27-hour			36-hour
39-hour			48-hour

Forecast 3-Hourly Wind Gusts
3-hour			12-hour
15-hour			24-hour
27-hour			36-hour
39-hour			48-hour

Forecast 6-hour Rainfall
6-hour			24-hour
30-hour			48-hour
54-hour			72-hour

2 Day Forecast Graphs for Select Cities

Sioux Falls
Sioux City
Huron
Mitchell
Chamberlain
Yankton
Brookings
Marshall
Worthington
Spencer
Storm Lake

Observations/Rainfall	Local Discussions & Forecasts	National Data
Latest Surface Obs Map with Radar -- NOTE: Observations can be filtered to display only low RH and/or high winds using the Data Filters within the Observations Overlay menu. Hourly Weather Roundup Text 24-hour Observed Precipitation Satellite Imagery	Local Forecast Discussion Hazardous Weather Outlook (graphical) Weather Activity Planner -- Input the data you need for your activity, and the planner will highlight when those conditions are forecast for your location within the next 7 days. -- This is NOT a substitute for an official Spot Burn Forecast. Fire Weather Forecast -- Typically issued twice per day April 1 - May 31, and August 15 - November 15. -- Morning issuance only June 1 - August 14. -- Through interagency agreement, these dates may be altered in times of persistent dry or wet conditions. Grassland Fire Danger (GFDI) -- Issued daily April 1st to November 15th -- May be issued as needed at other times when the index reaches High, Very High and Extreme. Fire Wx Watch or Red Flag Warning -- Issued when red flag criteria are probable, met or exceeded anytime of the year. State of SD GFDI Map (NWS Rapid City) State of IA GFDI Map (NWS Des Moines)	Wildland Fire Assessment System (WFAS) USA RAWS Climate Archive Active Fire Maps Hazard Mapping System Fire and Smoke Product Fire and Smoke Map from AirNow -- includes EPA Air Quality Monitor Data)
Outlooks		Area Operating Plans
Day 1 & Day 2 Fcst Surface Maps Days 3 - 7 Fcst Surface Maps 6-10 Day Temperature & Precip Outlook 8-14 Day Temperature & Precip Outlook 30 Day Temperature & Precip Outlook Hazards - Days 3-7 Hazards - Days 8-14 Drought Resources		Eastern Area Coordination Center -- includes Minnesota and Iowa 2020 Minnesota Fire Weather Annual Operating Plan 2022 Iowa Fire Weather Annual Operating Plan Rocky Mountain Area Coordination Center -- includes Nebraska and South Dakota Rocky Mountain Area Fire Weather Operating Plan