Weekend TEN, Feb 8-10

This wacky weekend includes a festival for fish, a show of cats, a jam dance on the farm, and a party under the stars.

Friday, Feb. 8
Roaring 20s Gala:  Celebrating Black History Month, the Petaluma Museum is hosting an Opening Night Gala with a roaring 20s theme.  Come in your 1920s era costume and enjoy fun, entertainment, and music by Jazz Trio.  $10.  18-plus.  6:30-8:30 p.m.  Petaluma Historical Museum.  20 Fourth St., Petaluma.  petalumamuseum.com

Friday, Feb. 8
Girls Night Out:  More than 25 vendors will be available for a shopping night out for the ladies.  First 75 guests receive a free gift, and there will be raffle pries, refreshments, and fun for all.  Free.  21-plus.  6-10 p.m.  Finley Community Center. 2060 W. College Ave., Santa Rosa.  socoboutiqueshoppersexpo.com

Saturday, Feb. 9
Steelhead Festival:  The 6th annual celebration features over 25 educational exhibits, fishing ponds, art for kids, archery, live music, and more.  The new location at Lake Sonoma also allows for visitors to view the fish ladder and fish sortings at the Hatchery.  Free.  All ages.  10 a.m. to 4 p.m.  Milt Brandt Visitor Center, Lake Sonoma.  3288 Skaggs Springs Rd., Geyserville.  lakesonoma.org

Saturday, Feb. 9
Hobby Expo:  This year’s theme is “Models from the Movies.”  The public is welcome to participate in the themed model contest, view the impressive projects hobbyists have constructed, take part in building activities, shop from hobby vendors, and more.  Free.  All ages.  9:30 a.m. to 4 p.m.  320 N. McDowell Blvd., Petaluma.  ipmssantarosa.org/ hobby_expo.html

Feb. 9-10
Cat Show:  Take a break from the cute kitty memes on the ‘net and check out the real thing.  Pedigreed felines and household cats compete for prizes, and shelter cats are available for adoption.  Plus, shop for your furry friend at the vendor fair. $5 Adults, $3 Kids 6-12, Under 5 Free.  All ages.  10 a.m. to 6 p.m.  Sonoma County Fairgrounds.  1350 Bennett Valley Rd., Santa Rosa.  www.srcatshow.com

Saturday, Feb. 9
Wine & Chocolate Fantasy:  Indulge in cocoa bliss in this pre-Valentine’s Day soiree, when Rodney Strong Vineyard pairs up with decadent chocolates from top chocolatiers for your tasting desires.  $55-$65.  21-plus.  1-4 p.m.  11455 Old Redwood Hwy., Healdsburg.  rodneystrong.com

Arann Harris & The Farm Band

Saturday, Feb. 9
Bee Mine Barn Dance: Boogie to the tunes of Arann Harris and the Farm Band while the Green String Farm interns cook you up something tasty. $10. All ages. 6-9 p.m. Green String Farm. 3571 Old Adobe Rd., Petaluma. greenstringfarm.com

Saturday, Feb. 9
Star Party:  The Robert Ferguson Observatory opens three of their main telescopes to the public for impressive viewing of the night sky, offering information through docent-led presentations.  $3 adults.  Under 18 free.  Parking $8.  7 p.m.  2605 Adobe Canyon Rd., Kenwood.  www.rfo.org/public-astronomy.html

Saturday, Feb. 9
Raw Chocolate & Elixirs:  Chocolatier William Blackmon leads a delicious class on the history, folklore, and nutrition of chocolate while teaching the art of making organic truffles and traditional cacao elixirs.  $69.  3 p.m.  GrowKitchen.  245 Ferguson Rd., Sebastopol.  growkitchen.com

Saturday, Feb 9
Free to Be Me Bingo: The Russian River Sisters of Perpetual Indulgence benefit Sonoma County Pride in their annual gender bending Bingo Night. Note: New location! $20. 18-plus. 5:30 p.m. (doors close at 6:30 p.m.) Guerneville Vets Building. First & Church St., Guerneville. rrsisters.org