Grimes 9073 Fire

Waller County, Texas · Wildfire

No longer active Official numbers updated Sep 29, 2026 (13 days ago)

First reported about 2 weeks ago

Metric	Last report	Now	Change
Size	5 acres Sep 29, 4:00 PM	37 acres Oct 12, 9:00 PM +32 acres was 5 acres · Sep 29, 4:00 PM	+32 acres in 13 days
Containment	30% Sep 29, 4:00 PM	80% Oct 12, 9:00 PM +50 percent was 30% · Sep 29, 4:00 PM	+50 percent in 13 days
Crew size	—	—	—
Money spent	—	—	—

Grimes 9073 Fire summary

The Grimes 9073 Fire is a wildfire near Waller County, Texas. It has burned about 37 acres (about 28 football fields). Crews have boxed in 80% of its edge; the other 20% isn't contained yet. It was first reported about 2 weeks ago.

Size: 37 acres
Containment: 80%
Discovered: September 29, 2026 (first reported about 2 weeks ago)
Cause: Not reported

The size and containment above are current as of Tuesday, September 29th at 5:00 p.m. CDT.

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Weather & fire-spread conditions

No Red Flag Warning. The National Weather Service hasn't flagged this area for dangerous fire-spread conditions right now.

Hot, dry, and windy weather can help a fire grow; cool, calm, or wet weather helps crews. The tags below rate each day for fire spread — green is calm, red can push a fire.

A general fire-weather guide (wind matters most, then how dry it is, then heat), not a prediction of what a specific fire will do.

	Day	Night
This Afternoon	94°F · Slight Chance Showers And Thunderstorms Wind 15 mph SE · 16% rain Wind: Breezy Heat: Hot Dry	75°F · Partly Cloudy Wind 5 to 10 mph SE · 8% rain Wind: Breezy Heat: Warm Dry
Wednesday	94°F · Chance Showers And Thunderstorms Wind 5 to 15 mph SE · 49% rain Wind: Breezy Heat: Hot Some rain	77°F · Slight Chance Showers And Thunderstorms Wind 10 to 15 mph SE · 21% rain Wind: Breezy Heat: Warm Some rain
Thursday	93°F · Showers And Thunderstorms Wind 10 to 15 mph SE · 76% rain Wind: Breezy Heat: Hot Rain likely	—

Forecast from the National Weather Service (weather.gov), pulled Tuesday, September 29th at 5:03 p.m. CDT.

Could this fire move fast?

Weather isn't the only thing that changes how a fire moves. The ground matters too: how steep it is, and what's growing on it. These four numbers are for the exact spot where this fire started, not the whole fire. A big fire crosses a lot of different ground.

1° slope

Fire usually moves faster uphill than downhill. Heat and flame lean uphill, drying out the ground above the fire before it gets there.

0% tree canopy cover

The more tree cover above a fire, the easier it is for the fire to climb from the ground into the treetops. That's called a crown fire. Crown fires move faster, throw embers farther ahead of the fire, and are harder for crews to stop head-on.

259 ft elevation

Elevation by itself doesn't make a fire more or less dangerous. But it shapes the other three numbers here: what grows there, how dry things get, and what the weather does.

Elevation and slope from the USGS 3D Elevation Program; fuel type and canopy cover from LANDFIRE (USGS and U.S. Forest Service), pulled Tuesday, September 29th at 3:03 p.m. CDT.