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Grand County weather alerts

2 active alerts for Grand County, Utah right now: a Flood Warning and a Flood Watch.

26 in the last 30 days 72 in 12 months (since Aug 30) most common: Special Weather Statement Get alerts on your phone →

Active alerts for Grand County

Refreshed every few minutes; times in MDT.

Severe Expected

Flood Warning

Issued Thu, Oct 22, 9:46 AM MDT by NWS Grand Junction CO Until Thu, Oct 22, 9:45 PM MDT (in 10 hr)

Area: Grand, UT; San Juan, UT

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Grand County in east central Utah... Northeastern San Juan County in southeastern Utah... * WHEN...Until 945 PM MDT Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inu...

What it means: Flooding of rivers, streams or low-lying areas is occurring or expected. Avoid flooded roads and monitor river levels.

Full alert with map and forecast →

Severe Future

Flood Watch

Issued Thu, Oct 22, 10:15 AM MDT by NWS Grand Junction CO Until Fri, Oct 23, 12:00 PM MDT (in 1 day)

Area: Southwest San Juan Mountains; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwest Colorado, including the following areas, Animas River Basin, Four Corners/Upper Dolores River, San Juan River Basin and Southwest San Juan Mountains and Utah, including the following areas, Arches/Grand Flat, Canyonlands/Natural Bridges, La Sal and Aba...

What it means: Conditions are favourable for flooding. Have a plan in case a warning is issued.

Full alert with map and forecast →

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Where

Grand County on the map

Alert polygons are NWS's own. Forecast Bar's radar shows the same warnings over live precipitation, with future radar and lightning. See the radar.

Last 30 days

Recent alerts for Grand County

Alert	Issued	Ended	Issued by
Flood Watch	Oct 21, 10:28 PM	Oct 23, 12:00 PM	Grand Junction CO
Flood Watch	Oct 21, 11:31 AM	Oct 23, 12:00 PM	Grand Junction CO
Flood Watch	Oct 20, 9:53 PM	Oct 23, 12:00 PM	Grand Junction CO
Flood Watch	Oct 20, 11:13 AM	Oct 23, 12:00 PM	Grand Junction CO
Flood Advisory	Oct 12, 10:39 PM	Oct 12, 10:45 PM	Grand Junction CO
Flood Advisory	Oct 12, 8:41 PM	Oct 12, 10:45 PM	Grand Junction CO
Special Weather Statement	Oct 12, 8:19 PM	Oct 12, 8:45 PM	Grand Junction CO
Wind Advisory	Oct 11, 9:58 AM	Oct 12, 6:00 AM	Grand Junction CO
Wind Advisory	Oct 10, 9:57 PM	Oct 12, 12:00 AM	Grand Junction CO
Wind Advisory	Oct 10, 10:38 AM	Oct 12, 12:00 AM	Grand Junction CO
Hydrologic Outlook	Oct 9, 10:53 AM	Oct 12, 6:00 PM	Grand Junction CO
Flood Watch	Sep 29, 10:07 PM	Sep 30, 6:00 AM	Grand Junction CO
Flood Watch	Sep 29, 11:22 AM	Sep 30, 6:00 AM	Grand Junction CO
Flood Advisory	Sep 29, 4:14 AM	Sep 29, 7:15 AM	Grand Junction CO
Flood Watch	Sep 28, 10:52 PM	Sep 30, 6:00 AM	Grand Junction CO
Flood Watch	Sep 28, 11:03 AM	Sep 30, 6:00 AM	Grand Junction CO
Flood Watch	Sep 27, 11:27 PM	Sep 30, 6:00 AM	Grand Junction CO
Flood Watch	Sep 27, 9:00 PM	Sep 30, 6:00 AM	Grand Junction CO
Hydrologic Outlook	Sep 27, 8:56 PM	Sep 28, 6:00 PM	Grand Junction CO
Hydrologic Outlook	Sep 27, 1:01 PM	Sep 28, 3:15 PM	Grand Junction CO
Flood Watch	Sep 27, 10:27 AM	Sep 30, 6:00 AM	Grand Junction CO
Flood Watch	Sep 27, 12:45 AM	Sep 30, 6:00 AM	Grand Junction CO
Hydrologic Outlook	Sep 25, 2:21 PM	Sep 30, 6:00 AM	Grand Junction CO
Special Weather Statement	Sep 22, 3:28 PM	Sep 22, 4:00 PM	Grand Junction CO

Pattern

What Grand County gets alerted for

Every alert that named Grand County in the last 12 months, by type. Records begin August 30, 2026, so this fills in over the year.

Special Weather Statement

Flood Watch

Flood Advisory

Flash Flood Warning

Severe Thunderstorm Warning

Hydrologic Outlook

Wind Advisory

Flood Warning

Plain English

What these alerts mean

A warning means the hazard is happening or about to; a watch means conditions favour it; an advisory is a lesser hazard still worth planning around.

Flood Warning

Flooding of rivers, streams or low-lying areas is occurring or expected. Avoid flooded roads and monitor river levels.

Flood Watch

Conditions are favourable for flooding. Have a plan in case a warning is issued.

Flood Advisory

Minor flooding of streets, streams or low-lying areas is expected. Expect ponding on roads and use caution when driving.

Special Weather Statement

A heads-up about conditions that do not meet warning or advisory criteria but still deserve attention, such as a strong storm, patchy fog or a brief burst of snow.

Wind Advisory

Sustained winds of 30 mph or more, or gusts to 45 mph, are expected. Use caution driving high-profile vehicles.

Hydrologic Outlook

Flooding may develop over the coming days as rain, snowmelt or river levels rise.

Flash Flood Warning

Flash flooding is occurring or imminent. Move to higher ground; never drive into water covering a road.

Severe Thunderstorm Warning

A storm with hail of 1 inch or larger, winds of 58 mph or more, or both, is occurring or imminent. Move indoors and away from windows.

Nearby

Alerts near Grand County

Neighbouring counties in Utah

Emery County2 Carbon County1 Uintah County San Juan County7 Wayne County2 All of Utah →

Questions

About Grand County alerts

How do I get Grand County weather alerts on my iPhone?

Install Forecast Bar, add Grand County as a location, and turn on severe weather alerts. Every NWS warning, watch and advisory for Grand County then arrives as a push notification at the moment of issue, with Critical Alerts available for the most dangerous warnings. Forecast Bar also runs on iPad, Apple Watch, Mac and Apple TV.

Where do these alerts come from?

From the National Weather Service alert feed (api.weather.gov). NWS issues alerts by county and by forecast zone; this page lists every product that names Grand County. Forecast Bar checks the feed continuously and this page refreshes within a few minutes of a change.

What is the difference between a watch, a warning and an advisory?

A warning means the hazard is occurring, imminent or very likely: act now. A watch means conditions are favourable for it to develop: prepare and stay informed. An advisory covers a hazard that is less serious than a warning but can still cause real inconvenience or danger if you are not ready for it.

Can I get this data as JSON?

Yes. /weather-alerts/ut/grand-county.json returns the active alerts, the last 30 days and the 12-month counts for Grand County, refreshed every minute. Please cache responses and credit National Weather Service as the source.

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