Flood Warning Issued for Big Blue River in Henry, Rush, and Shelby Counties
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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NWS Indianapolis has issued a Flood Warning for the Big Blue River at Carthage, effective through Friday morning, as heavy rainfall causes the river to exceed flood stage.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Central Indiana
- Issued
- April 6, 2026
- Issuing authority
- NWS Indianapolis
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Central Indiana.
Alert Details
The National Weather Service in Indianapolis IN has issued a Flood Warning for the Big Blue River at Carthage. The alert was issued on March 5 at 12:40 PM EST and remains in effect until March 6 at 11:22 AM EST.
Affected Areas
The warning primarily affects the following counties in Indiana:
- Henry County
- Rush County
- Shelby County
Specific impacts are noted for the Big Blue River at Carthage, including the southern outskirts of Knightstown and extreme eastern Raysville.
What You Should Do
Motorists are strictly advised not to attempt to drive around barricades or drive cars through flooded areas. Residents in the affected areas should monitor local conditions, as additional rainfall over the weekend and next week could lead to further flooding. Avoid flooded riverbanks and low-lying areas.
Expected Conditions
Total rainfall amounts of 3 to over 5 inches across much of central and southern Indiana have triggered this minor flooding event.
- River Stage: As of 11:30 AM EST Thursday, the river stage was 6.8 feet.
- Flood Stage: 7.0 feet.
- Forecast: The river is expected to rise to a crest of 7.8 feet this evening.
- Impacts: At these levels, local roads near the Big Blue River will flood. Water is expected to surround a few homes in Carthage, enter dog houses in southern Carthage, and affect a used auto parts yard. Water will also be present in yards in the southern outskirts of Knightstown and eastern Raysville.
Timeline
The Flood Warning is effective from the afternoon of Thursday, March 5, through late morning on Friday, March 6. The river is forecast to fall below flood stage late tonight.
Original source: NOAA Official Notice ↗
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