99chambers

Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

South Dakota · South Dakota Legislative District 11 · Updated Oct 16, 2026

Keri Weems

RepublicanIncumbent2 seats

2026 race · South Dakota Legislative District 11

69% chance of winning · race rated Lean R

31%69%

65% chance of winning · race rated Lean R

35%65%
● Sonja Mentzer● Keri WeemsINCAlso: Brian Mulder (R), Tracey Quint (L)
Full race forecast

Background

Current office
South Dakota House of Representatives, LD-11
Experience
State legislature
Past races on file
3 (3 won)

Links: Candidate list (source)

Electoral history

Earlier races in South Dakota, newest first, matched by name in the results archive.

  1. 2024

    House of Representatives · LD-11 Nov 5, 2024

    R · 28.2% · 5,926 votes

    Won
  2. 2006

    House of Representatives · LD-11 Nov 7, 2006

    R · 31.0% · 5,449 votes

    Won
  3. 2004

    House of Representatives · LD-11 Nov 2, 2004

    R · 34.3% · 7,064 votes

    Won

Opponents in 2026