Flood Alert Issued for Monks Brook in Hampshire and Southampton

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for Monks Brook. This alert indicates that flooding is possible in the area and residents should remain vigilant as weather conditions change.

Affected Areas

The alert covers the Solent and South Downs region, specifically affecting parts of Hampshire and Southampton. Key areas of concern include:

• Fleming Park: Potential flooding of the recreation ground.
• Kingfisher Road: Expected very high river levels.
• Chandlers Ford: Possible surface water flooding on local roads.
• Stoneham Way: Potential surface water flooding from Chestnut Way to the M27.

What You Should Do

Residents in the affected areas are advised to take the following precautions:

• Monitor local water levels and stay updated on the latest weather forecasts.
• Avoid walking or driving through floodwater where possible.
• Report any blockages in the river to the Environment Agency hotline at 0800 80 70 60.

Expected Conditions

While minimal rain is forecast for Monday, February 16, and Tuesday, February 17, conditions are expected to deteriorate mid-week. On Wednesday, February 18, 2026, up to 40mm of rain is possible. This rainfall may lead to high river levels and surface water flooding on roads in the specified locations.

Timeline

The alert was officially raised on February 16, 2026. Minimal impact is expected through Tuesday. The primary window for hazardous conditions is Wednesday, February 18. The Environment Agency will provide an updated message regarding this alert by 7:00 PM on February 17, 2026.