* WHAT...Heat index values up to 105.
* WHERE...A portion of north central Nebraska.
* WHEN...Until 9 PM CDT /8 PM MDT/ Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
Until 2026-07-20T04:15:00-05:00
•
National Weather Service
* WHAT...Heat index values up to 105.
* WHERE...A portion of north central Nebraska.
* WHEN...Until 9 PM CDT /8 PM MDT/ Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
NIOBRARA RIVER NEAR SPARKS, NEBR.
Realtime Data
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Report
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Conditions
497
Discharge (cfs)
2.6
Gauge Height (ft)
Streamflow discharge was last observed at 497 cfs, and a gauge height of 2.56 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 541 .
Weather today, Tomorrow,
The river flows through several hydrologic regions, including the Sandhills and the Great Plains, and is fed by several streams and tributaries, including the Snake River and the Keya Paha River. Seasonal flow fluctuations are common, with the river experiencing high flows during the spring and summer months due to snowmelt and rainfall. The river is also home to various fish species, including rainbow trout and smallmouth bass, making it a popular destination for anglers. Additionally, the Niobrara River is home to several dams, including the Spencer Dam, which was severely damaged during a flood in 2019.
July 19, 2026
Elevation
2,295.0 ft
Last Updated
Gage height, ft
2.56 ft
Streamflow, ft³/s
497.0 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C
224.0 uS/cm @25C
Dissolved oxygen, water, unfiltered, mg/L
6.0 mg/l
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU)