A wet weekend, a wetland vote

Morning. The rain is finally winning its fight with the smoke. Friday tops out near 77 with showers on and off, and the whole weekend stays cool, gray, and wet, a genuine plot twist after the August we just had. Inside, the city reopens its wetland rulebook Tuesday, toxic algae shuts part of Hebgen, and the town's ice barn lands an $8.1 million makeover. Grab the umbrella and let's go.

Almost a year after the city rewrote how new development has to treat wetlands and streams, the commission holds a public hearing Sept. 1 on a follow-up amendment to those rules (Application 26217). This round is the unglamorous machinery of the code, like when a builder has to file its wetland and watercourse studies and what makes an application complete.

None of that sounds like a fight, and on paper it isn't. But wetlands and setbacks are the exact seam where Bozeman's growth argument keeps snagging. The rules on the books since last October widened the minimum buffer around a wetland from 10 feet to 25 and pushed developers to repair wetland damage locally instead of paying to offset it somewhere across the state. Ten to 25 feet is the sort of number that quietly decides how much of a given lot you can actually build on.

Tuesday's hearing is the low-drama stage where the paperwork gets set, before it turns into a specific project on a specific creek. The commission can approve it, revise it, send it back, or hold it for a later date, and public comment is on the record if you have thoughts on how the city guards its water. City Hall, 121 N. Rouse, 6 p.m.

The wetland hearing is the headline, but the rest of the night is a tour of what a growing city pays for without a lot of applause. The consent list carries the city's emergency-shelter services agreements with Haven and Family Promise of Gallatin Valley, the two organizations that catch people fleeing violence or losing a roof before they land on the street. It also funds a USGS streamflow gauge, backs a streamside-restoration project with the Gallatin Watershed Council at Greenway Park, and awards a contract to fix storm drainage on Cherry Drive.

Consent items usually pass in one vote with no discussion, which is the point. They're the maintenance layer of a town, the stuff that only makes news when it breaks. Any commissioner or resident can still pull one for a closer look.

• The Gallatin City-County Health Department has closed the Corey Springs area of Hebgen Reservoir after tests turned up anatoxin-a, a toxin from a harmful algae bloom that can sicken or kill pets and livestock and make people ill. Other stretches of the reservoir are under warnings, so if you're headed to the lake, keep dogs and kids out of scummy water and mind the posted signs.

• Yellowstone will close Buffalo Creek from Aug. 31 to Sept. 7 and treat it with the fish-killing compound rotenone to clear out nonnative rainbow trout that have been outcompeting and interbreeding with native cutthroat. It's a blunt tool for a long game. Park biologists say knocking out the source population is what gives Yellowstone cutthroat a future in the Lamar drainage.

• The old Haynes Pavilion ice barn is getting an $8.1 million glow-up and a new name, the Bottcher Families Community Ice Center, with a grand reopening penciled for December. The Gallatin Ice project adds seating, locker rooms for MSU's hockey teams, and a restaurant and pub, which is a lot of building for a sport most of the country forgets Montana plays.

Near 77 and finally wet Friday, with showers on and off, some patchy smoke, and a shot at afternoon storms. Saturday holds near 75 with rain and thunderstorms likely, and Sunday is the wettest yet, cooling to about 68 with a 90% chance of rain. After a month of haze, the valley finally gets a real soaking.

The two-night Alpenglow Festival sets up at 515 W. Aspen St., listed 4 to 10pm both nights, with the Eli Young Band headlining Saturday. Live music, local vendors, and a west-side field, weather permitting.

Saturday (Aug. 29): The Gateway Bash throws open the Gallatin Gateway Community Center, listed 7am to 2pm and free, the kind of small-town block party where you actually meet your neighbors.

Saturday (Aug. 29): A new bookstore cuts the ribbon as Exes&Ohs Books holds its grand opening on Laramie Drive, listed 10am to 6pm and free. Rain plan sorted.

Saturday (Aug. 29): The Bozeman Rotary Club's Bike for Better Tomorrows community ride rolls out from the Lindley Center, with packet pickup at 8am, pedaling for a local cause.

Sunday (Aug. 30): Ballroom Dance Bozeman runs beginner classes at Beall Park, with a free BBQ and open dance at 5pm. A dry, cheerful way to close out a soggy weekend.

The Gallatin is running about 408 cfs at Gallatin Gateway as of Thursday, low and warm the way it gets by late August, with Logan around 355 and the East Gallatin down near 29. The weekend rain is the good news here. A few degrees of cooling and a bump in flow are exactly what tired trout want, and the cooler air should ease the afternoon heat that keeps FWP's hoot-owl closures flickering on and off around the region. Check the live restrictions map before you wade in.

School is back Monday. Bozeman's public schools start grades 1-12 on Aug. 31, with kindergarten a few days behind on Sept. 3, so the morning school-zone crawl returns right on cue. The Gallatin Valley Farmers' Market runs Saturday, 9am to noon at the fairgrounds, likely one of the last big-tomato weekends of the year. And a tip of the hat to the volunteers who turned out for the U.S. 191 corridor cleanup along the Gallatin last weekend, aiming to fill a dumpster with about 1,800 pounds of trash, in line with the haul from each of the past three years.

Bozeman keeps tightening how new development has to treat its wetlands and streams. Smart guardrail for a valley filling up fast, or one more layer of process that makes housing harder to build? Reply with a sentence, and add "print it" if we can run yours.