What is the current flow on Difficult Run?
Difficult Run is currently flowing at 8.6 cfs at USGS gauge 01645704 as of Oct 3, 4:25 AM UTC.
Difficult Run at Fairfax Water Level, Temperature & Fishing Conditions
Water level (gauge height) · Live from USGS
1.21 ft
Flow 8.6 cfs · Water temp 69.1°F (20.6°C) · as of Oct 3, 4:25 AM UTC
Flow is 8.6 cfs.
Flow
8.6 cfs
Gauge Height
1.21 ft
Water Temp
69.1°F (20.6°C)
Water Temperature
69.1°F (20.6°C) · as of Oct 3, 4:25 AM UTC
About This Gauge
USGS 01645704 is a public stream gauge on Difficult Run in Virginia. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 8 nearby gauges linked from this page for watershed context.
3-Day Weather Outlook
The NOAA forecast for Difficult Run is not available on this page yet. Open Difficult Run on the Waderly map for the live forecast.
Waderly combines real-time USGS stream gauges with weather, barometric pressure trends, and solunar activity so you know what the water is doing before you go. The "typical" comparison above is an approximation based on the historical daily median flow for this date at this gauge.
Nearby Gauges
- S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA · 1.7 mi
- ACCOTINK CREEK NEAR RANGER ROAD AT FAIRFAX, VA · 2.8 mi
- THE GLADE NEAR HOWLAND DRIVE AT RESTON, VA · 2.8 mi
- SNAKEDEN BRANCH ABOVE LAKE AUDUBON AT RESTON, VA · 3.1 mi
- LONG BRANCH NR OLD CREEK DRIVE NR FAIRFAX, VA · 4.8 mi
- LONG BRANCH NR PICKETT ROAD NR FAIRFAX, VA · 5.2 mi
- FLATLICK BRANCH ABOVE FROG BRANCH AT CHANTILLY, VA · 5.4 mi
- LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA · 5.5 mi
Frequently Asked Questions
What is the water temperature on Difficult Run?
The latest reported water temperature on Difficult Run is 69.1°F (20.6°C) as of Oct 3, 4:25 AM UTC.
What other gauges should I check near Difficult Run?
Nearby gauges worth checking include S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA (1.7 miles away), ACCOTINK CREEK NEAR RANGER ROAD AT FAIRFAX, VA (2.8 miles away), THE GLADE NEAR HOWLAND DRIVE AT RESTON, VA (2.8 miles away). Comparing nearby gauges helps confirm whether conditions are changing upstream or across the watershed.
Intelligence for the water
Get a free alert the moment Difficult Run hits your window — the right flow, temperature, and conditions — instead of refreshing this page. Waderly watches the gauge so you don't have to.
Set a free flow alert for Difficult Run