Skip to contentCALCHIS
floodactive

Flood Watch issued September 21 at 10:35PM MDT until September 25 at 12:00AM MDT by NWS Grand Junction CO

7.0
37.3837°N, 107.7318°W·US-CO
Started 12h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location37.3837°N, 107.7318°W (CO)
Started2026-09-23T18:00:00+00:00
Last Updated2026-09-24T06:50:52.787+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Analysis

No impact zones are drawn for this event, so there is no population or structure estimate.

Historical Comparison
2018 LA PLATA County, COLORADO Flash Flood76% match

Flash Flood in COLORADO, 12km from current event, $2M in recorded damage

LA PLATA County, COLORADODamage: $2.0M
2018 LA PLATA County, COLORADO Flash Flood72% match

Flash Flood in COLORADO, 13km from current event, $200K in recorded damage

LA PLATA County, COLORADODamage: $200K
2006 LA PLATA County, COLORADO Flash Flood71% match

Flash Flood in COLORADO, 14km from current event, $1M in recorded damage

LA PLATA County, COLORADODamage: $1.0M

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

View on Live Map
Related

Is this event approaching a location you care about?

Calchis tracks live federal event feeds against your own saved addresses and portfolios, and alerts you when a consequence zone reaches one.

Free includes Live map + 3 triggers + 10 bond positions. Analyst is $149/mo for 1,000-location portfolios, ep curves, predictions, parametric triggers.

Zone estimates are based on scientific models and may differ from actual local conditions.