Updated
Seminary Fork
River
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: flow is above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years); fast water is the top river-drowning risk.
- Flow is above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years); fast water is the top river-drowning risk.
- Water temperature is 81°F, within the comfortable 70–86°F range.
Interactive map not available
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: flow is above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years); fast water is the top river-drowning risk.
- Flow is above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Aug 21, 10:30 PM gauge-local time
- Water temperature is 81°F, within the comfortable 70–86°F range. — USGS gauge 05599490, as of Aug 21, 10:30 PM gauge-local time
Flow is high for this date — above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years).
No official beach-advisory feed for Illinois yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, IL (15.2 mi away), as of Aug 21, 10:30 PM gauge-local time.
Weather at Seminary Fork
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Frequently asked questions
- Where is Seminary Fork?
- Seminary Fork is a river in Illinois.
- What is the water temperature at Seminary Fork?
- As of August 21, 2026, the water temperature at Seminary Fork in Illinois is 81°F (27°C), measured by USGS gauge 05599490, 15.2 miles away.
- Can you swim at Seminary Fork?
- Use caution — flow is well above normal for this date: flow is above the 75th percentile for Aug 22 (median 360 ft³/s over 55 years); fast water is the top river-drowning risk. Checked August 21, 2026.
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Location & Contact
Illinois
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