Flood Advisory — Jefferson County, Colorado
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 13 at 2:53PM MDT until August 13 at 6:00PM MDT by NWS Denver CO
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...East Central Jefferson County in central Colorado... West Central Arapahoe County in northeastern Colorado... Southwestern Denver County in northeastern Colorado... * WHEN...Until 600 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 253 PM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 0.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Southwestern Denver, Lakewood, northeastern Littleton, Englewood, Greenwood Village, Sheridan, Morrison, Red Rocks Park, Tiny Town, Idledale, Indian Hills, Cherry Hills Village, Columbine, Ken Caryl and Genesee.
Effective August 13, 2026 at 4:53 PM ET · Expires August 13, 2026 at 8:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Denver CO
Expires
August 13, 2026 at 8:00 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause minor flooding of small creeks and streams, highways, streets, underpasses, drainage areas and other low lying spots.
Also In Effect For
This same Flood Advisory also covers:
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Frequently Asked Questions
What does a Flood Advisory mean for Jefferson County, Colorado?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 13, 2026 at 8:00 PM ET.
How do I get notified about Flood Advisory alerts for Jefferson County?
Download StormCast free on Google Play and set Jefferson County, Colorado as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Denver County, Arapahoe County.