Observed gauges / Forecast gauges / NWS warnings: feeds current
Observed gauges: Feed current; checked .
Forecast gauges: Feed current; checked .
NWS warnings: Feed current; checked .
Checked means retrieved, not newly issued. Each graphic retains its issue, observation, initialization or valid time. Site publishing status is separate.
Gauge BAYI4
Gauge BAYI4 is not in NWS’s lists of gauges at action stage or above now, so nothing is shown for it. NWPS’s page for BAYI4
Rain and rivers in Iowa
- Expected rain: below WPC’s lowest contour (0.01 in) in Iowa, in WPC’s forecast for the 24 hours to . An amount for the area its contour covers, not a total for any one street.
- Rain that fell: 0.1 to 0.25 in at its highest in Iowa, in the 24 hours to , by MRMS’s radar estimate over a grid about 5 km across: a measurement of the past, not corrected to rain gauges.
- Rivers: no river gauge in Iowa is in flood or forecast to flood, by NWS’s lists read . Gauges are on larger rivers, not every creek: this is not a sign that nothing can flood.
Three sources, each its own window. None is a chance of flash flooding, which is WPC’s outlook above; a flash flood is a warning’s. Gauges in the Live tracker
On the Briefing’s map
- Flash-flood risk WPC’s Excessive Rainfall Outlook: a chance, in four categories
- Expected rain WPC’s 24-hour rain forecast, in inches
- Rain that fell MRMS’s radar estimate for the past 24 or 72 hours
River, coastal and lake gauges in Iowa
No gauge in Iowa is in flood, observed or forecast; one gauge is at action stage.
Action stage, not flooding 1
Action stage is the level at which NWS and local officials begin to act; the water is not yet at flood stage.
- Observed: action stage Iowa River at Marshalltown, IAObserved 14.63 ft at : action stageForecast issued · highest 14.7 ft at : action stage
A gauge measures its water at that one place. Flash flooding, which comes in hours from heavy rain, is in the warnings as Flash Flood Warnings; a river can be in flood with no rain falling.
Gauges observed checked · Data: NOAA/NWS
Gauges forecast checked · Data: NOAA/NWS
Gauge impacts and forecasts checked · Data: NOAA/NWPS
Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.

