Des Moines, IA

Weather Forecast Office

Decision Support - Hydrology

	Current Conditions and Seven Day Forecast	Additional DSS Pages Drought Information Fog Information Frost Information Heat Information Wind Information Wind Chill Information

Current Conditions

Forecast

Severe Weather

Hydrology/Rivers

Winter Weather

Fire Weather

Safety

Index

Current Watches, Warnings & Discussions
Dashboards & GIS Viewers
Current/Forecast River & Reservoir Stages (includes NWPS links)
Significant River Flood Outlooks
Current Radar Imagery & Quantitative Precipitation Estimates (QPE)
Quantitative Precipitation Forecasts (QPF)
Excessive Rainfall Outlooks
Current Streamflows & Runoff
Antecedent Conditions (includes Past Precipitation, Snow Cover, Soil Moisture & Flash Flood Guidance)
Drought Information (includes Drought Monitor & Change)

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Current Watches, Warnings & Discussions

Miscellaneous Information
- Latest DSS Packet
- Hazardous Weather Outlook
Discussions

Hazardous Weather Outlook

	Flash Flood Watch
	Flash Flood Warning
	Flash Flood Statement
	Areal Flood Warning

	Hydrologic Outlook
	Flood Watch
	Flood Warning
	Flood Statement

For additional information on the types of products issued for flooding, please see our NWS Flood Products page.

Additional Links

** SEND US your flooding reports **

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Dashboards & GIS Viewers

NWS Dashboards & GIS Viewers
USGS Dashboards
- USGS National Water Dashboard--custom view zoomed into Iowa region
- USGS National Water Dashboard--Main Page

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Current/Forecast River & Reservoir Stages (includes NWPS links)

National Water Prediction Service (NWPS)
- NWPS--Observed/Forecast Information
- NWPS--Long-Range Probabilistic Information (Flood Outlook)
  - NWPS--custom view zoomed into NWS Des Moines service area region
  - NWPS--custom view zoomed into Iowa region
- Other NWPS Links
  - NWS Des Moines NWPS Information Page
Advanced Hydrologic Prediction Service (AHPS)
- AHPS--Observed/Forecast & Long-Range Probabilistic Information (Flood Outlook)
Reservoir Information
- Saylorville Reservoir
- Lake Red Rock
Related Links
- QPF Ensemble Hydrographs Information
  - QPF Ensemble Hydrographs
- Hydrologic Ensemble Forecast System (HEFS) Information
  - HEFS Experimental Data Web Page
  - Information about HEFS

Reservoir forecasts are provided by the U.S. Army Corps of Engineers.


Saylorville Lake Forecast	Lake Red Rock Forecast

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Significant River Flood Outlooks & Flood Hazard Outlooks

Related Links
- Significant River Flood Outlooks Web Page
- Flood Hazard Outlook


Central & Eastern Iowa Significant River Flood Outlook	Western Iowa Significant River Flood Outlook

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Current Radar Imagery & Quantitative Precipitation Estimates (QPE)

Radar Views--Iowa Environmental Mesonet (IEM)
Precipitation Estimates (QPE) & Other
- Multi-Radar Multi-Sensor Data (look at Q3 data for precip estimates)
Current Z-R Relationships & Volume Coverage Patterns (VCPs)
- Current Radar Z-R Relationships--North Central River Forecast Center (NCRFC) service area
- Current Radar VCPs


1-Hour Precipitation Estimates--custom view zoomed into NWS Des Moines service area region	Storm Total Precipitation Estimates--custom view zoomed into NWS Des Moines service area region

NWS Radar Mosaic--custom view zoomed into Iowa Region

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Quantitative Precipitation Forecasts (QPF)

QPF Used in River Forecasts
- North Central River Forecast Center (NCRFC) service area
- Missouri Basin River Forecast Center (MBRFC) service area
Related Links
- Deterministic Precipitation Forecasts (QPF) Web Page
- Probabilistic Precipitation Forecasts (PQPF) Web Page


Day 1	Day 2	Day 3


Days 1-2	Days 1-3


Days 4-5	Days 6-7


5-Day Total	7-Day Total

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Excessive Rainfall Outlooks

Related Links
- Excessive Rainfall Outlooks Interactive Display
- Text Discussion

Check the issued times for the Iowa maps--they may not match the national maps.


Day 1 (U.S.)	Day 1 (Iowa)


Day 2 (U.S.)	Day 2 (Iowa)


Day 3 (U.S.)	Day 3 (Iowa)


Day 4 (U.S.)	Day 4 (Iowa)


Day 5 (U.S.)	Day 5 (Iowa)

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Current Streamflows & Runoff

Related Links
- USGS WaterWatch
Streamflow Index Key
- 1 = Record Low
- 2 = Much Below Normal
- 3 = Below Normal
- 4 = Normal
- 5 = Above Normal
- 6 = Much Above Normal
- 7 = Record High


Iowa Gage Streamflow Percentiles (1-Day)	Iowa Hydro Region Streamflow Percentiles (1-Day)


Iowa Streamflow Index (1-Day)	Iowa Streamflow Percent Summary (1-Day)


Iowa Average Runoff (1-Day)	Iowa Average Runoff (7-Day)


Iowa Cumulative Runoff (1-Day)	Iowa Cumulative Runoff (7-Day)


Key for Percentile Classes	Key for Duration Percentile Classes

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Antecedent Conditions (includes Past Precipitation, Snow Cover, Soil Moisture & Flash Flood Guidance)

Past Precipitation
- High Plains Regional Climate Center (HPRCC) Climate Maps
Flash Flood Guidance
- North Central River Forecast Center (NCRFC) Gridded Flash Flood Guidance (GFFG)
- Missouri Basin River Forecast Center (MBRFC) Gridded Flash Flood Guidance (GFFG)
Related Links
- National Snow Analysis (including normals)
- Snowpack Water Equivalent--Iowa Environmental Mesonet (IEM)
- NASA GRACE Soil Moisture Data

Click each image to view an interactive map for that element.


Past Rainfall	Snow Cover & Water Content	Soil Moisture


NCRFC GFFG (1-hr)	NCRFC GFFG (3-hr)	NCRFC GFFG (6-hr)


MBRFC GFFG (1-hr)	MBRFC GFFG (3-hr)	MBRFC GFFG (6-hr)


Past Precipitation (7 Days)	Past Precipitation % of Normal (7 Days)


Past Precipitation (14 Days)	Past Precipitation % of Normal (14 Days)


Past Precipitation (30 Days)	Past Precipitation % of Normal (30 Days)


Past Precipitation (3 Months)	Past Precipitation % of Normal (3 Months)


Past Precipitation (6 Months)	Past Precipitation % of Normal (6 Months)


Past Precipitation (12 Months)	Past Precipitation % of Normal (12 Months)


Past Precipitation (24 Months)	Past Precipitation % of Normal (24 Months)

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Drought Information (includes Drought Monitor & Change)

Related Links


Current Drought Conditions (U.S.)	Current Drought Conditions (Iowa)


1-Week Change (U.S.)	1-Week Change (Iowa)


2-Week Change (U.S.)	2-Week Change (Iowa)


1-Month (4-Week) Change (U.S.)	1-Month (4-Week) Change (Iowa)


3-Month (13-Week) Change (U.S.)	3-Month (13-Week) Change (Iowa)


6-Month (24-Week) Change (U.S.)	6-Month (24-Week) Change (Iowa)


12-Month (52-Week) Change (U.S.)	12-Month (52-Week) Change (Iowa)


U.S. Monthly Drought Outlook	U.S. Seasonal Drought Outlook