Jefferson County Resident Portal

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Public Safety Alerts

Headline: Flood Warning issued November 4 at 9:57PM CST until November 8 at 9:47PM CST by NWS St Louis MO
Description: ...The Flood Warning continues for the following rivers in Missouri... Big River at Byrnesville. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Moderate flooding is forecast. *... more
Effective: Monday, November 4, 2024 - 19:57
Expires: Wednesday, November 6, 2024 - 08:00
Urgency: Immediate
Severity: Severe
Sender: NWS St Louis MO
Headline: Flood Advisory issued November 4 at 4:26PM CST until November 4 at 8:30PM CST by NWS St Louis MO
Description: * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of east central and southeast Missouri, including the following counties, in east central Missouri, southeastern Jefferson and southeastern... more
Effective: Monday, November 4, 2024 - 14:26
Expires: Monday, November 4, 2024 - 18:30
Urgency: Expected
Severity: Minor
Sender: NWS St Louis MO
Headline: Flash Flood Warning issued November 4 at 1:53PM CST until November 4 at 4:30PM CST by NWS St Louis MO
Description: FFWLSX The National Weather Service in St Louis has extended the * Flash Flood Warning for... Southeastern Jefferson County in east central Missouri... Southeastern Washington County in east central Missouri... Northwestern Madison County in... more
Effective: Monday, November 4, 2024 - 11:53
Expires: Monday, November 4, 2024 - 14:30
Urgency: Immediate
Severity: Severe
Sender: NWS St Louis MO
Headline: Flash Flood Warning issued November 4 at 12:24PM CST until November 4 at 2:30PM CST by NWS St Louis MO
Description: FFWLSX The National Weather Service in St Louis has extended the * Flash Flood Warning for... Southeastern Jefferson County in east central Missouri... Southeastern Washington County in east central Missouri... Northwestern Madison County in... more
Effective: Monday, November 4, 2024 - 10:24
Expires: Monday, November 4, 2024 - 12:30
Urgency: Immediate
Severity: Severe
Sender: NWS St Louis MO
Headline: Flash Flood Warning issued November 4 at 11:27AM CST until November 4 at 12:30PM CST by NWS St Louis MO
Description: At 1127 AM CST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. The expected rainfall rate is 1 inch in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible... more
Effective: Monday, November 4, 2024 - 09:27
Expires: Monday, November 4, 2024 - 10:30
Urgency: Immediate
Severity: Severe
Sender: NWS St Louis MO